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Finding the Fourth Proportional to 66,194,587.80, 99,291,881.70 and 37,496,773.80

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Solution

The fourth proportional to 66,194,587.80, 99,291,881.70 and 37,496,773.80 is: 56,245,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194,587.80 : 99,291,881.70 = 37,496,773.80 : x
  2. Step 2: Convert to fraction form
    66,194,587.80/99,291,881.70 = 37,496,773.80/x
  3. Step 3: Cross multiply
    66,194,587.80x = 99,291,881.70 × 37,496,773.80
  4. Step 4: Simplify right side
    66,194,587.80x = 3,723,125,228,281,259.50
  5. Step 5: Solve for x
    x = 3,723,125,228,281,259.50/66,194,587.80
  6. Step 6: Final answer
    x = 56,245,160.70

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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.