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Finding the Fourth Proportional to 52,598,505.60, 78,897,758.40 and 46,887,811.20

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Solution

The fourth proportional to 52,598,505.60, 78,897,758.40 and 46,887,811.20 is: 70,331,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,598,505.60 : 78,897,758.40 = 46,887,811.20 : x
  2. Step 2: Convert to fraction form
    52,598,505.60/78,897,758.40 = 46,887,811.20/x
  3. Step 3: Cross multiply
    52,598,505.60x = 78,897,758.40 × 46,887,811.20
  4. Step 4: Simplify right side
    52,598,505.60x = 3,699,343,199,962,414.50
  5. Step 5: Solve for x
    x = 3,699,343,199,962,414.50/52,598,505.60
  6. Step 6: Final answer
    x = 70,331,716.80

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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.