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Finding the Fourth Proportional to 88,041.32, 121,496.42 and 47,754.92

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Solution

The fourth proportional to 88,041.32, 121,496.42 and 47,754.92 is: 65,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,041.32 : 121,496.42 = 47,754.92 : x
  2. Step 2: Convert to fraction form
    88,041.32/121,496.42 = 47,754.92/x
  3. Step 3: Cross multiply
    88,041.32x = 121,496.42 × 47,754.92
  4. Step 4: Simplify right side
    88,041.32x = 5,802,051,817.39
  5. Step 5: Solve for x
    x = 5,802,051,817.39/88,041.32
  6. Step 6: Final answer
    x = 65,901.46

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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.