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Finding the Fourth Proportional to 111,060.08, 153,264.12 and 60,758

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Solution

The fourth proportional to 111,060.08, 153,264.12 and 60,758 is: 83,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,060.08 : 153,264.12 = 60,758 : x
  2. Step 2: Convert to fraction form
    111,060.08/153,264.12 = 60,758/x
  3. Step 3: Cross multiply
    111,060.08x = 153,264.12 × 60,758
  4. Step 4: Simplify right side
    111,060.08x = 9,312,021,402.96
  5. Step 5: Solve for x
    x = 9,312,021,402.96/111,060.08
  6. Step 6: Final answer
    x = 83,846.70

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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.