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Finding the Fourth Proportional to 186,775.64, 280,165.89 and 62,116.64

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Solution

The fourth proportional to 186,775.64, 280,165.89 and 62,116.64 is: 93,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,775.64 : 280,165.89 = 62,116.64 : x
  2. Step 2: Convert to fraction form
    186,775.64/280,165.89 = 62,116.64/x
  3. Step 3: Cross multiply
    186,775.64x = 280,165.89 × 62,116.64
  4. Step 4: Simplify right side
    186,775.64x = 17,402,963,729.41
  5. Step 5: Solve for x
    x = 17,402,963,729.41/186,775.64
  6. Step 6: Final answer
    x = 93,175.77

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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.