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Finding the Fourth Proportional to 111,512.84, 153,888.86 and 60,526.04

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Solution

The fourth proportional to 111,512.84, 153,888.86 and 60,526.04 is: 83,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,512.84 : 153,888.86 = 60,526.04 : x
  2. Step 2: Convert to fraction form
    111,512.84/153,888.86 = 60,526.04/x
  3. Step 3: Cross multiply
    111,512.84x = 153,888.86 × 60,526.04
  4. Step 4: Simplify right side
    111,512.84x = 9,314,283,295.91
  5. Step 5: Solve for x
    x = 9,314,283,295.91/111,512.84
  6. Step 6: Final answer
    x = 83,526.55

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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.