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Finding the Fourth Proportional to 46,704,861.92, 70,063,978.98 and 14,359,480.40

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Solution

The fourth proportional to 46,704,861.92, 70,063,978.98 and 14,359,480.40 is: 21,541,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,704,861.92 : 70,063,978.98 = 14,359,480.40 : x
  2. Step 2: Convert to fraction form
    46,704,861.92/70,063,978.98 = 14,359,480.40/x
  3. Step 3: Cross multiply
    46,704,861.92x = 70,063,978.98 × 14,359,480.40
  4. Step 4: Simplify right side
    46,704,861.92x = 1,006,082,332,909,322.12
  5. Step 5: Solve for x
    x = 1,006,082,332,909,322.12/46,704,861.92
  6. Step 6: Final answer
    x = 21,541,276.25

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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.