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Finding the Fourth Proportional to 109,792.66, 151,509.80 and 59,490.58

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Solution

The fourth proportional to 109,792.66, 151,509.80 and 59,490.58 is: 82,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,792.66 : 151,509.80 = 59,490.58 : x
  2. Step 2: Convert to fraction form
    109,792.66/151,509.80 = 59,490.58/x
  3. Step 3: Cross multiply
    109,792.66x = 151,509.80 × 59,490.58
  4. Step 4: Simplify right side
    109,792.66x = 9,013,405,877.68
  5. Step 5: Solve for x
    x = 9,013,405,877.68/109,792.66
  6. Step 6: Final answer
    x = 82,094.79

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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.