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Finding the Fourth Proportional to 116,546.46, 160,788.56 and 65,547.49

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Solution

The fourth proportional to 116,546.46, 160,788.56 and 65,547.49 is: 90,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,546.46 : 160,788.56 = 65,547.49 : x
  2. Step 2: Convert to fraction form
    116,546.46/160,788.56 = 65,547.49/x
  3. Step 3: Cross multiply
    116,546.46x = 160,788.56 × 65,547.49
  4. Step 4: Simplify right side
    116,546.46x = 10,539,286,528.71
  5. Step 5: Solve for x
    x = 10,539,286,528.71/116,546.46
  6. Step 6: Final answer
    x = 90,429.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.