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Finding the Fourth Proportional to 176,042.42, 242,912.49 and 99,541.16

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Solution

The fourth proportional to 176,042.42, 242,912.49 and 99,541.16 is: 137,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,042.42 : 242,912.49 = 99,541.16 : x
  2. Step 2: Convert to fraction form
    176,042.42/242,912.49 = 99,541.16/x
  3. Step 3: Cross multiply
    176,042.42x = 242,912.49 × 99,541.16
  4. Step 4: Simplify right side
    176,042.42x = 24,179,791,033.09
  5. Step 5: Solve for x
    x = 24,179,791,033.09/176,042.42
  6. Step 6: Final answer
    x = 137,352.07

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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.