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Finding the Fourth Proportional to 109,411.89, 150,988.44 and 59,110.89

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Solution

The fourth proportional to 109,411.89, 150,988.44 and 59,110.89 is: 81,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.89 : 150,988.44 = 59,110.89 : x
  2. Step 2: Convert to fraction form
    109,411.89/150,988.44 = 59,110.89/x
  3. Step 3: Cross multiply
    109,411.89x = 150,988.44 × 59,110.89
  4. Step 4: Simplify right side
    109,411.89x = 8,925,061,068.11
  5. Step 5: Solve for x
    x = 8,925,061,068.11/109,411.89
  6. Step 6: Final answer
    x = 81,573.05

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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.