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Finding the Fourth Proportional to 94,307.48, 130,144.68 and 51,868.68

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Solution

The fourth proportional to 94,307.48, 130,144.68 and 51,868.68 is: 71,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,307.48 : 130,144.68 = 51,868.68 : x
  2. Step 2: Convert to fraction form
    94,307.48/130,144.68 = 51,868.68/x
  3. Step 3: Cross multiply
    94,307.48x = 130,144.68 × 51,868.68
  4. Step 4: Simplify right side
    94,307.48x = 6,750,432,760.62
  5. Step 5: Solve for x
    x = 6,750,432,760.62/94,307.48
  6. Step 6: Final answer
    x = 71,578.98

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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.