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Finding the Fourth Proportional to 88,026.88, 121,477.16 and 47,740.63

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Solution

The fourth proportional to 88,026.88, 121,477.16 and 47,740.63 is: 65,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,026.88 : 121,477.16 = 47,740.63 : x
  2. Step 2: Convert to fraction form
    88,026.88/121,477.16 = 47,740.63/x
  3. Step 3: Cross multiply
    88,026.88x = 121,477.16 × 47,740.63
  4. Step 4: Simplify right side
    88,026.88x = 5,799,396,149.01
  5. Step 5: Solve for x
    x = 5,799,396,149.01/88,026.88
  6. Step 6: Final answer
    x = 65,882.10

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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.