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Finding the Fourth Proportional to 74,766.32, 103,193.54 and 42,952.76

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Solution

The fourth proportional to 74,766.32, 103,193.54 and 42,952.76 is: 59,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.32 : 103,193.54 = 42,952.76 : x
  2. Step 2: Convert to fraction form
    74,766.32/103,193.54 = 42,952.76/x
  3. Step 3: Cross multiply
    74,766.32x = 103,193.54 × 42,952.76
  4. Step 4: Simplify right side
    74,766.32x = 4,432,447,357.17
  5. Step 5: Solve for x
    x = 4,432,447,357.17/74,766.32
  6. Step 6: Final answer
    x = 59,284.01

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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.