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Finding the Fourth Proportional to 162,210.40, 243,315.60 and 152,368.90

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Solution

The fourth proportional to 162,210.40, 243,315.60 and 152,368.90 is: 228,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,210.40 : 243,315.60 = 152,368.90 : x
  2. Step 2: Convert to fraction form
    162,210.40/243,315.60 = 152,368.90/x
  3. Step 3: Cross multiply
    162,210.40x = 243,315.60 × 152,368.90
  4. Step 4: Simplify right side
    162,210.40x = 37,073,730,324.84
  5. Step 5: Solve for x
    x = 37,073,730,324.84/162,210.40
  6. Step 6: Final answer
    x = 228,553.35

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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.