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Finding the Fourth Proportional to 67,428.40, 101,008.95 and 59,117.80

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Solution

The fourth proportional to 67,428.40, 101,008.95 and 59,117.80 is: 88,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.40 : 101,008.95 = 59,117.80 : x
  2. Step 2: Convert to fraction form
    67,428.40/101,008.95 = 59,117.80/x
  3. Step 3: Cross multiply
    67,428.40x = 101,008.95 × 59,117.80
  4. Step 4: Simplify right side
    67,428.40x = 5,971,426,904.31
  5. Step 5: Solve for x
    x = 5,971,426,904.31/67,428.40
  6. Step 6: Final answer
    x = 88,559.52

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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.