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Finding the Fourth Proportional to 250,471.49, 375,830.55 and 117,328.75

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Solution

The fourth proportional to 250,471.49, 375,830.55 and 117,328.75 is: 176,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,471.49 : 375,830.55 = 117,328.75 : x
  2. Step 2: Convert to fraction form
    250,471.49/375,830.55 = 117,328.75/x
  3. Step 3: Cross multiply
    250,471.49x = 375,830.55 × 117,328.75
  4. Step 4: Simplify right side
    250,471.49x = 44,095,727,703.74
  5. Step 5: Solve for x
    x = 44,095,727,703.74/250,471.49
  6. Step 6: Final answer
    x = 176,050.89

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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.