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Finding the Fourth Proportional to 99,411.66, 148,707.42 and 63,818.23

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Solution

The fourth proportional to 99,411.66, 148,707.42 and 63,818.23 is: 95,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,411.66 : 148,707.42 = 63,818.23 : x
  2. Step 2: Convert to fraction form
    99,411.66/148,707.42 = 63,818.23/x
  3. Step 3: Cross multiply
    99,411.66x = 148,707.42 × 63,818.23
  4. Step 4: Simplify right side
    99,411.66x = 9,490,244,332.27
  5. Step 5: Solve for x
    x = 9,490,244,332.27/99,411.66
  6. Step 6: Final answer
    x = 95,464.10

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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.