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Finding the Fourth Proportional to 98,040.84, 147,085.85 and 27,920.13

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Solution

The fourth proportional to 98,040.84, 147,085.85 and 27,920.13 is: 41,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,040.84 : 147,085.85 = 27,920.13 : x
  2. Step 2: Convert to fraction form
    98,040.84/147,085.85 = 27,920.13/x
  3. Step 3: Cross multiply
    98,040.84x = 147,085.85 × 27,920.13
  4. Step 4: Simplify right side
    98,040.84x = 4,106,656,053.16
  5. Step 5: Solve for x
    x = 4,106,656,053.16/98,040.84
  6. Step 6: Final answer
    x = 41,887.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.