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Finding the Fourth Proportional to 111,240.84, 153,510.30 and 60,939.48

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Solution

The fourth proportional to 111,240.84, 153,510.30 and 60,939.48 is: 84,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,240.84 : 153,510.30 = 60,939.48 : x
  2. Step 2: Convert to fraction form
    111,240.84/153,510.30 = 60,939.48/x
  3. Step 3: Cross multiply
    111,240.84x = 153,510.30 × 60,939.48
  4. Step 4: Simplify right side
    111,240.84x = 9,354,837,856.64
  5. Step 5: Solve for x
    x = 9,354,837,856.64/111,240.84
  6. Step 6: Final answer
    x = 84,095.35

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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.