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Finding the Fourth Proportional to 115,244.34, 172,866.54 and 36,364.74

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Solution

The fourth proportional to 115,244.34, 172,866.54 and 36,364.74 is: 54,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,244.34 : 172,866.54 = 36,364.74 : x
  2. Step 2: Convert to fraction form
    115,244.34/172,866.54 = 36,364.74/x
  3. Step 3: Cross multiply
    115,244.34x = 172,866.54 × 36,364.74
  4. Step 4: Simplify right side
    115,244.34x = 6,286,246,781.80
  5. Step 5: Solve for x
    x = 6,286,246,781.80/115,244.34
  6. Step 6: Final answer
    x = 54,547.12

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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.