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Finding the Fourth Proportional to 116,574,940.80, 174,862,411.20 and 35,785,411.20

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Solution

The fourth proportional to 116,574,940.80, 174,862,411.20 and 35,785,411.20 is: 53,678,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,574,940.80 : 174,862,411.20 = 35,785,411.20 : x
  2. Step 2: Convert to fraction form
    116,574,940.80/174,862,411.20 = 35,785,411.20/x
  3. Step 3: Cross multiply
    116,574,940.80x = 174,862,411.20 × 35,785,411.20
  4. Step 4: Simplify right side
    116,574,940.80x = 6,257,523,288,215,486
  5. Step 5: Solve for x
    x = 6,257,523,288,215,486/116,574,940.80
  6. Step 6: Final answer
    x = 53,678,116.80

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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.