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Finding the Fourth Proportional to 40,788,164.60, 61,182,246.90 and 30,710,468.60

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Solution

The fourth proportional to 40,788,164.60, 61,182,246.90 and 30,710,468.60 is: 46,065,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788,164.60 : 61,182,246.90 = 30,710,468.60 : x
  2. Step 2: Convert to fraction form
    40,788,164.60/61,182,246.90 = 30,710,468.60/x
  3. Step 3: Cross multiply
    40,788,164.60x = 61,182,246.90 × 30,710,468.60
  4. Step 4: Simplify right side
    40,788,164.60x = 1,878,935,472,299,897.50
  5. Step 5: Solve for x
    x = 1,878,935,472,299,897.50/40,788,164.60
  6. Step 6: Final answer
    x = 46,065,702.90

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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.