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Finding the Fourth Proportional to 112,875.58, 155,768.52 and 62,574.58

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Solution

The fourth proportional to 112,875.58, 155,768.52 and 62,574.58 is: 86,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,875.58 : 155,768.52 = 62,574.58 : x
  2. Step 2: Convert to fraction form
    112,875.58/155,768.52 = 62,574.58/x
  3. Step 3: Cross multiply
    112,875.58x = 155,768.52 × 62,574.58
  4. Step 4: Simplify right side
    112,875.58x = 9,747,149,716.22
  5. Step 5: Solve for x
    x = 9,747,149,716.22/112,875.58
  6. Step 6: Final answer
    x = 86,353.04

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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.