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Finding the Fourth Proportional to 104,424.59, 144,105.95 and 56,677.93

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Solution

The fourth proportional to 104,424.59, 144,105.95 and 56,677.93 is: 78,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.59 : 144,105.95 = 56,677.93 : x
  2. Step 2: Convert to fraction form
    104,424.59/144,105.95 = 56,677.93/x
  3. Step 3: Cross multiply
    104,424.59x = 144,105.95 × 56,677.93
  4. Step 4: Simplify right side
    104,424.59x = 8,167,626,728.11
  5. Step 5: Solve for x
    x = 8,167,626,728.11/104,424.59
  6. Step 6: Final answer
    x = 78,215.55

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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.