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Finding the Fourth Proportional to 43,713,000.70, 61,287,780.50 and 43,713,000.70

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Solution

The fourth proportional to 43,713,000.70, 61,287,780.50 and 43,713,000.70 is: 61,287,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,713,000.70 : 61,287,780.50 = 43,713,000.70 : x
  2. Step 2: Convert to fraction form
    43,713,000.70/61,287,780.50 = 43,713,000.70/x
  3. Step 3: Cross multiply
    43,713,000.70x = 61,287,780.50 × 43,713,000.70
  4. Step 4: Simplify right side
    43,713,000.70x = 2,679,072,791,897,946.50
  5. Step 5: Solve for x
    x = 2,679,072,791,897,946.50/43,713,000.70
  6. Step 6: Final answer
    x = 61,287,780.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.