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Finding the Fourth Proportional to 112,959.04, 155,883.64 and 62,658.04

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Solution

The fourth proportional to 112,959.04, 155,883.64 and 62,658.04 is: 86,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,959.04 : 155,883.64 = 62,658.04 : x
  2. Step 2: Convert to fraction form
    112,959.04/155,883.64 = 62,658.04/x
  3. Step 3: Cross multiply
    112,959.04x = 155,883.64 × 62,658.04
  4. Step 4: Simplify right side
    112,959.04x = 9,767,363,350.47
  5. Step 5: Solve for x
    x = 9,767,363,350.47/112,959.04
  6. Step 6: Final answer
    x = 86,468.19

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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.