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Finding the Fourth Proportional to 99,085.01, 148,627.62 and 42,144.17

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Solution

The fourth proportional to 99,085.01, 148,627.62 and 42,144.17 is: 63,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,085.01 : 148,627.62 = 42,144.17 : x
  2. Step 2: Convert to fraction form
    99,085.01/148,627.62 = 42,144.17/x
  3. Step 3: Cross multiply
    99,085.01x = 148,627.62 × 42,144.17
  4. Step 4: Simplify right side
    99,085.01x = 6,263,786,940.84
  5. Step 5: Solve for x
    x = 6,263,786,940.84/99,085.01
  6. Step 6: Final answer
    x = 63,216.30

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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.