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Finding the Fourth Proportional to 175,510.81, 242,184.03 and 99,025.48

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Solution

The fourth proportional to 175,510.81, 242,184.03 and 99,025.48 is: 136,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,510.81 : 242,184.03 = 99,025.48 : x
  2. Step 2: Convert to fraction form
    175,510.81/242,184.03 = 99,025.48/x
  3. Step 3: Cross multiply
    175,510.81x = 242,184.03 × 99,025.48
  4. Step 4: Simplify right side
    175,510.81x = 23,982,389,819.08
  5. Step 5: Solve for x
    x = 23,982,389,819.08/175,510.81
  6. Step 6: Final answer
    x = 136,643.38

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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.