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Finding the Fourth Proportional to 96,472,427.80, 144,664,404.90 and 42,592,005.40

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Solution

The fourth proportional to 96,472,427.80, 144,664,404.90 and 42,592,005.40 is: 63,868,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,472,427.80 : 144,664,404.90 = 42,592,005.40 : x
  2. Step 2: Convert to fraction form
    96,472,427.80/144,664,404.90 = 42,592,005.40/x
  3. Step 3: Cross multiply
    96,472,427.80x = 144,664,404.90 × 42,592,005.40
  4. Step 4: Simplify right side
    96,472,427.80x = 6,161,547,114,688,586
  5. Step 5: Solve for x
    x = 6,161,547,114,688,586/96,472,427.80
  6. Step 6: Final answer
    x = 63,868,477.81

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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.