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Finding the Fourth Proportional to 356,117.64, 534,302.80 and 119,459.92

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Solution

The fourth proportional to 356,117.64, 534,302.80 and 119,459.92 is: 179,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,117.64 : 534,302.80 = 119,459.92 : x
  2. Step 2: Convert to fraction form
    356,117.64/534,302.80 = 119,459.92/x
  3. Step 3: Cross multiply
    356,117.64x = 534,302.80 × 119,459.92
  4. Step 4: Simplify right side
    356,117.64x = 63,827,769,743.78
  5. Step 5: Solve for x
    x = 63,827,769,743.78/356,117.64
  6. Step 6: Final answer
    x = 179,232.26

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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.