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Finding the Fourth Proportional to 145,952.16, 218,580.72 and 93,198.24

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Solution

The fourth proportional to 145,952.16, 218,580.72 and 93,198.24 is: 139,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,952.16 : 218,580.72 = 93,198.24 : x
  2. Step 2: Convert to fraction form
    145,952.16/218,580.72 = 93,198.24/x
  3. Step 3: Cross multiply
    145,952.16x = 218,580.72 × 93,198.24
  4. Step 4: Simplify right side
    145,952.16x = 20,371,338,401.93
  5. Step 5: Solve for x
    x = 20,371,338,401.93/145,952.16
  6. Step 6: Final answer
    x = 139,575.45

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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.