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Finding the Fourth Proportional to 186,774.64, 280,164.40 and 62,115.64

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Solution

The fourth proportional to 186,774.64, 280,164.40 and 62,115.64 is: 93,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,774.64 : 280,164.40 = 62,115.64 : x
  2. Step 2: Convert to fraction form
    186,774.64/280,164.40 = 62,115.64/x
  3. Step 3: Cross multiply
    186,774.64x = 280,164.40 × 62,115.64
  4. Step 4: Simplify right side
    186,774.64x = 17,402,591,011.22
  5. Step 5: Solve for x
    x = 17,402,591,011.22/186,774.64
  6. Step 6: Final answer
    x = 93,174.27

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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.