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Finding the Fourth Proportional to 78,066.75, 107,746.71 and 44,532.75

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Solution

The fourth proportional to 78,066.75, 107,746.71 and 44,532.75 is: 61,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,066.75 : 107,746.71 = 44,532.75 : x
  2. Step 2: Convert to fraction form
    78,066.75/107,746.71 = 44,532.75/x
  3. Step 3: Cross multiply
    78,066.75x = 107,746.71 × 44,532.75
  4. Step 4: Simplify right side
    78,066.75x = 4,798,257,299.75
  5. Step 5: Solve for x
    x = 4,798,257,299.75/78,066.75
  6. Step 6: Final answer
    x = 61,463.52

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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.