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Finding the Fourth Proportional to 224,388,390.80, 336,483,053.40 and 103,157,440.40

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Solution

The fourth proportional to 224,388,390.80, 336,483,053.40 and 103,157,440.40 is: 154,690,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,388,390.80 : 336,483,053.40 = 103,157,440.40 : x
  2. Step 2: Convert to fraction form
    224,388,390.80/336,483,053.40 = 103,157,440.40/x
  3. Step 3: Cross multiply
    224,388,390.80x = 336,483,053.40 × 103,157,440.40
  4. Step 4: Simplify right side
    224,388,390.80x = 34,710,730,526,720,516
  5. Step 5: Solve for x
    x = 34,710,730,526,720,516/224,388,390.80
  6. Step 6: Final answer
    x = 154,690,402.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.