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Finding the Fourth Proportional to 78,379.44, 108,160.56 and 46,547.52

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Solution

The fourth proportional to 78,379.44, 108,160.56 and 46,547.52 is: 64,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,379.44 : 108,160.56 = 46,547.52 : x
  2. Step 2: Convert to fraction form
    78,379.44/108,160.56 = 46,547.52/x
  3. Step 3: Cross multiply
    78,379.44x = 108,160.56 × 46,547.52
  4. Step 4: Simplify right side
    78,379.44x = 5,034,605,829.81
  5. Step 5: Solve for x
    x = 5,034,605,829.81/78,379.44
  6. Step 6: Final answer
    x = 64,233.76

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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.