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Finding the Fourth Proportional to 118,045,800.70, 177,068,701.05 and 93,386,938.30

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Solution

The fourth proportional to 118,045,800.70, 177,068,701.05 and 93,386,938.30 is: 140,080,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045,800.70 : 177,068,701.05 = 93,386,938.30 : x
  2. Step 2: Convert to fraction form
    118,045,800.70/177,068,701.05 = 93,386,938.30/x
  3. Step 3: Cross multiply
    118,045,800.70x = 177,068,701.05 × 93,386,938.30
  4. Step 4: Simplify right side
    118,045,800.70x = 16,535,903,859,817,496
  5. Step 5: Solve for x
    x = 16,535,903,859,817,496/118,045,800.70
  6. Step 6: Final answer
    x = 140,080,407.45

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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.