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Finding the Fourth Proportional to 286,089.48, 429,115.17 and 117,566.16

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Solution

The fourth proportional to 286,089.48, 429,115.17 and 117,566.16 is: 176,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,089.48 : 429,115.17 = 117,566.16 : x
  2. Step 2: Convert to fraction form
    286,089.48/429,115.17 = 117,566.16/x
  3. Step 3: Cross multiply
    286,089.48x = 429,115.17 × 117,566.16
  4. Step 4: Simplify right side
    286,089.48x = 50,449,422,734.65
  5. Step 5: Solve for x
    x = 50,449,422,734.65/286,089.48
  6. Step 6: Final answer
    x = 176,341.41

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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.