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Finding the Fourth Proportional to 84,564,657.60, 126,846,986.40 and 44,169,892.80

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Solution

The fourth proportional to 84,564,657.60, 126,846,986.40 and 44,169,892.80 is: 66,254,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,657.60 : 126,846,986.40 = 44,169,892.80 : x
  2. Step 2: Convert to fraction form
    84,564,657.60/126,846,986.40 = 44,169,892.80/x
  3. Step 3: Cross multiply
    84,564,657.60x = 126,846,986.40 × 44,169,892.80
  4. Step 4: Simplify right side
    84,564,657.60x = 5,602,817,791,291,058
  5. Step 5: Solve for x
    x = 5,602,817,791,291,058/84,564,657.60
  6. Step 6: Final answer
    x = 66,254,839.20

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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.