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Finding the Fourth Proportional to 104,565.25, 144,300.72 and 56,818.59

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Solution

The fourth proportional to 104,565.25, 144,300.72 and 56,818.59 is: 78,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,565.25 : 144,300.72 = 56,818.59 : x
  2. Step 2: Convert to fraction form
    104,565.25/144,300.72 = 56,818.59/x
  3. Step 3: Cross multiply
    104,565.25x = 144,300.72 × 56,818.59
  4. Step 4: Simplify right side
    104,565.25x = 8,198,963,446.38
  5. Step 5: Solve for x
    x = 8,198,963,446.38/104,565.25
  6. Step 6: Final answer
    x = 78,410.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.