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Finding the Fourth Proportional to 107,761.66, 148,715.70 and 60,015.00

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Solution

The fourth proportional to 107,761.66, 148,715.70 and 60,015.00 is: 82,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,761.66 : 148,715.70 = 60,015.00 : x
  2. Step 2: Convert to fraction form
    107,761.66/148,715.70 = 60,015.00/x
  3. Step 3: Cross multiply
    107,761.66x = 148,715.70 × 60,015.00
  4. Step 4: Simplify right side
    107,761.66x = 8,925,173,068.13
  5. Step 5: Solve for x
    x = 8,925,173,068.13/107,761.66
  6. Step 6: Final answer
    x = 82,823.27

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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.