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Finding the Fourth Proportional to 230,613.58, 318,125.64 and 187,641.10

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Solution

The fourth proportional to 230,613.58, 318,125.64 and 187,641.10 is: 258,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,613.58 : 318,125.64 = 187,641.10 : x
  2. Step 2: Convert to fraction form
    230,613.58/318,125.64 = 187,641.10/x
  3. Step 3: Cross multiply
    230,613.58x = 318,125.64 × 187,641.10
  4. Step 4: Simplify right side
    230,613.58x = 59,693,445,027.80
  5. Step 5: Solve for x
    x = 59,693,445,027.80/230,613.58
  6. Step 6: Final answer
    x = 258,846.18

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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.