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Finding the Fourth Proportional to 224,662,903.20, 336,742,412.40 and 115,445,872.80

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Solution

The fourth proportional to 224,662,903.20, 336,742,412.40 and 115,445,872.80 is: 173,039,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,662,903.20 : 336,742,412.40 = 115,445,872.80 : x
  2. Step 2: Convert to fraction form
    224,662,903.20/336,742,412.40 = 115,445,872.80/x
  3. Step 3: Cross multiply
    224,662,903.20x = 336,742,412.40 × 115,445,872.80
  4. Step 4: Simplify right side
    224,662,903.20x = 38,875,521,708,295,536
  5. Step 5: Solve for x
    x = 38,875,521,708,295,536/224,662,903.20
  6. Step 6: Final answer
    x = 173,039,345.41

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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.