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Finding the Fourth Proportional to 286,124.74, 429,140.64 and 117,610.92

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Solution

The fourth proportional to 286,124.74, 429,140.64 and 117,610.92 is: 176,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,124.74 : 429,140.64 = 117,610.92 : x
  2. Step 2: Convert to fraction form
    286,124.74/429,140.64 = 117,610.92/x
  3. Step 3: Cross multiply
    286,124.74x = 429,140.64 × 117,610.92
  4. Step 4: Simplify right side
    286,124.74x = 50,471,625,479.79
  5. Step 5: Solve for x
    x = 50,471,625,479.79/286,124.74
  6. Step 6: Final answer
    x = 176,397.28

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1.5x scale

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.