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Finding the Fourth Proportional to 124,419.60, 186,716.88 and 112,522.32

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Solution

The fourth proportional to 124,419.60, 186,716.88 and 112,522.32 is: 168,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.60 : 186,716.88 = 112,522.32 : x
  2. Step 2: Convert to fraction form
    124,419.60/186,716.88 = 112,522.32/x
  3. Step 3: Cross multiply
    124,419.60x = 186,716.88 × 112,522.32
  4. Step 4: Simplify right side
    124,419.60x = 21,009,816,520.76
  5. Step 5: Solve for x
    x = 21,009,816,520.76/124,419.60
  6. Step 6: Final answer
    x = 168,862.59

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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.