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Finding the Fourth Proportional to 109,477.88, 151,079.48 and 59,176.88

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Solution

The fourth proportional to 109,477.88, 151,079.48 and 59,176.88 is: 81,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,477.88 : 151,079.48 = 59,176.88 : x
  2. Step 2: Convert to fraction form
    109,477.88/151,079.48 = 59,176.88/x
  3. Step 3: Cross multiply
    109,477.88x = 151,079.48 × 59,176.88
  4. Step 4: Simplify right side
    109,477.88x = 8,940,411,995.60
  5. Step 5: Solve for x
    x = 8,940,411,995.60/109,477.88
  6. Step 6: Final answer
    x = 81,664.10

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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.