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Finding the Fourth Proportional to 68,320.92, 101,802.18 and 60,868.11

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Solution

The fourth proportional to 68,320.92, 101,802.18 and 60,868.11 is: 90,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.92 : 101,802.18 = 60,868.11 : x
  2. Step 2: Convert to fraction form
    68,320.92/101,802.18 = 60,868.11/x
  3. Step 3: Cross multiply
    68,320.92x = 101,802.18 × 60,868.11
  4. Step 4: Simplify right side
    68,320.92x = 6,196,506,290.48
  5. Step 5: Solve for x
    x = 6,196,506,290.48/68,320.92
  6. Step 6: Final answer
    x = 90,697.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.