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Finding the Fourth Proportional to 282,068.80, 423,200.40 and 124,410.40

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Solution

The fourth proportional to 282,068.80, 423,200.40 and 124,410.40 is: 186,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,068.80 : 423,200.40 = 124,410.40 : x
  2. Step 2: Convert to fraction form
    282,068.80/423,200.40 = 124,410.40/x
  3. Step 3: Cross multiply
    282,068.80x = 423,200.40 × 124,410.40
  4. Step 4: Simplify right side
    282,068.80x = 52,650,531,044.16
  5. Step 5: Solve for x
    x = 52,650,531,044.16/282,068.80
  6. Step 6: Final answer
    x = 186,658.47

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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.