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Finding the Fourth Proportional to 99,275.58, 148,929.84 and 46,020.96

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Solution

The fourth proportional to 99,275.58, 148,929.84 and 46,020.96 is: 69,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.58 : 148,929.84 = 46,020.96 : x
  2. Step 2: Convert to fraction form
    99,275.58/148,929.84 = 46,020.96/x
  3. Step 3: Cross multiply
    99,275.58x = 148,929.84 × 46,020.96
  4. Step 4: Simplify right side
    99,275.58x = 6,853,894,209.45
  5. Step 5: Solve for x
    x = 6,853,894,209.45/99,275.58
  6. Step 6: Final answer
    x = 69,039.07

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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.