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Finding the Fourth Proportional to 83,088.80, 124,607.06 and 26,915.88

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Solution

The fourth proportional to 83,088.80, 124,607.06 and 26,915.88 is: 40,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,088.80 : 124,607.06 = 26,915.88 : x
  2. Step 2: Convert to fraction form
    83,088.80/124,607.06 = 26,915.88/x
  3. Step 3: Cross multiply
    83,088.80x = 124,607.06 × 26,915.88
  4. Step 4: Simplify right side
    83,088.80x = 3,353,908,280.51
  5. Step 5: Solve for x
    x = 3,353,908,280.51/83,088.80
  6. Step 6: Final answer
    x = 40,365.35

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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.