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Finding the Fourth Proportional to 119,780.79, 179,697.72 and 35,547.68

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Solution

The fourth proportional to 119,780.79, 179,697.72 and 35,547.68 is: 53,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780.79 : 179,697.72 = 35,547.68 : x
  2. Step 2: Convert to fraction form
    119,780.79/179,697.72 = 35,547.68/x
  3. Step 3: Cross multiply
    119,780.79x = 179,697.72 × 35,547.68
  4. Step 4: Simplify right side
    119,780.79x = 6,387,836,148.80
  5. Step 5: Solve for x
    x = 6,387,836,148.80/119,780.79
  6. Step 6: Final answer
    x = 53,329.39

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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.