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Finding the Fourth Proportional to 90,733, 125,211.56 and 53,007.52

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Solution

The fourth proportional to 90,733, 125,211.56 and 53,007.52 is: 73,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733 : 125,211.56 = 53,007.52 : x
  2. Step 2: Convert to fraction form
    90,733/125,211.56 = 53,007.52/x
  3. Step 3: Cross multiply
    90,733x = 125,211.56 × 53,007.52
  4. Step 4: Simplify right side
    90,733x = 6,637,154,270.93
  5. Step 5: Solve for x
    x = 6,637,154,270.93/90,733
  6. Step 6: Final answer
    x = 73,150.39

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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.