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Finding the Fourth Proportional to 174,312.88, 240,471.88 and 102,658.60

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Solution

The fourth proportional to 174,312.88, 240,471.88 and 102,658.60 is: 141,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,312.88 : 240,471.88 = 102,658.60 : x
  2. Step 2: Convert to fraction form
    174,312.88/240,471.88 = 102,658.60/x
  3. Step 3: Cross multiply
    174,312.88x = 240,471.88 × 102,658.60
  4. Step 4: Simplify right side
    174,312.88x = 24,686,506,540.17
  5. Step 5: Solve for x
    x = 24,686,506,540.17/174,312.88
  6. Step 6: Final answer
    x = 141,621.82

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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.