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Finding the Fourth Proportional to 110,857.71, 152,984.12 and 60,557.79

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Solution

The fourth proportional to 110,857.71, 152,984.12 and 60,557.79 is: 83,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,857.71 : 152,984.12 = 60,557.79 : x
  2. Step 2: Convert to fraction form
    110,857.71/152,984.12 = 60,557.79/x
  3. Step 3: Cross multiply
    110,857.71x = 152,984.12 × 60,557.79
  4. Step 4: Simplify right side
    110,857.71x = 9,264,379,909.51
  5. Step 5: Solve for x
    x = 9,264,379,909.51/110,857.71
  6. Step 6: Final answer
    x = 83,570.01

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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.