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Finding the Fourth Proportional to 123,341.40, 185,012.10 and 88,349.40

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Solution

The fourth proportional to 123,341.40, 185,012.10 and 88,349.40 is: 132,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,341.40 : 185,012.10 = 88,349.40 : x
  2. Step 2: Convert to fraction form
    123,341.40/185,012.10 = 88,349.40/x
  3. Step 3: Cross multiply
    123,341.40x = 185,012.10 × 88,349.40
  4. Step 4: Simplify right side
    123,341.40x = 16,345,708,027.74
  5. Step 5: Solve for x
    x = 16,345,708,027.74/123,341.40
  6. Step 6: Final answer
    x = 132,524.10

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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.