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Finding the Fourth Proportional to 230,600.90, 345,966.15 and 112,276.10

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Solution

The fourth proportional to 230,600.90, 345,966.15 and 112,276.10 is: 168,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,600.90 : 345,966.15 = 112,276.10 : x
  2. Step 2: Convert to fraction form
    230,600.90/345,966.15 = 112,276.10/x
  3. Step 3: Cross multiply
    230,600.90x = 345,966.15 × 112,276.10
  4. Step 4: Simplify right side
    230,600.90x = 38,843,730,054.02
  5. Step 5: Solve for x
    x = 38,843,730,054.02/230,600.90
  6. Step 6: Final answer
    x = 168,445.70

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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.