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Finding the Fourth Proportional to 175,980.33, 242,866.85 and 99,515.52

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Solution

The fourth proportional to 175,980.33, 242,866.85 and 99,515.52 is: 137,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,980.33 : 242,866.85 = 99,515.52 : x
  2. Step 2: Convert to fraction form
    175,980.33/242,866.85 = 99,515.52/x
  3. Step 3: Cross multiply
    175,980.33x = 242,866.85 × 99,515.52
  4. Step 4: Simplify right side
    175,980.33x = 24,169,020,370.93
  5. Step 5: Solve for x
    x = 24,169,020,370.93/175,980.33
  6. Step 6: Final answer
    x = 137,339.33

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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.