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Finding the Fourth Proportional to 79,063.68, 118,595.52 and 36,364.80

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Solution

The fourth proportional to 79,063.68, 118,595.52 and 36,364.80 is: 54,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063.68 : 118,595.52 = 36,364.80 : x
  2. Step 2: Convert to fraction form
    79,063.68/118,595.52 = 36,364.80/x
  3. Step 3: Cross multiply
    79,063.68x = 118,595.52 × 36,364.80
  4. Step 4: Simplify right side
    79,063.68x = 4,312,702,365.70
  5. Step 5: Solve for x
    x = 4,312,702,365.70/79,063.68
  6. Step 6: Final answer
    x = 54,547.20

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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.