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Finding the Fourth Proportional to 250,191.59, 375,291.93 and 90,279.52

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Solution

The fourth proportional to 250,191.59, 375,291.93 and 90,279.52 is: 135,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,191.59 : 375,291.93 = 90,279.52 : x
  2. Step 2: Convert to fraction form
    250,191.59/375,291.93 = 90,279.52/x
  3. Step 3: Cross multiply
    250,191.59x = 375,291.93 × 90,279.52
  4. Step 4: Simplify right side
    250,191.59x = 33,881,173,423.81
  5. Step 5: Solve for x
    x = 33,881,173,423.81/250,191.59
  6. Step 6: Final answer
    x = 135,420.91

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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.