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Finding the Fourth Proportional to 115,228.62, 172,842.93 and 36,348.98

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Solution

The fourth proportional to 115,228.62, 172,842.93 and 36,348.98 is: 54,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.62 : 172,842.93 = 36,348.98 : x
  2. Step 2: Convert to fraction form
    115,228.62/172,842.93 = 36,348.98/x
  3. Step 3: Cross multiply
    115,228.62x = 172,842.93 × 36,348.98
  4. Step 4: Simplify right side
    115,228.62x = 6,282,663,341.50
  5. Step 5: Solve for x
    x = 6,282,663,341.50/115,228.62
  6. Step 6: Final answer
    x = 54,523.46

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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.