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Finding the Fourth Proportional to 91,214.55, 125,866.50 and 52,966.62

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Solution

The fourth proportional to 91,214.55, 125,866.50 and 52,966.62 is: 73,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214.55 : 125,866.50 = 52,966.62 : x
  2. Step 2: Convert to fraction form
    91,214.55/125,866.50 = 52,966.62/x
  3. Step 3: Cross multiply
    91,214.55x = 125,866.50 × 52,966.62
  4. Step 4: Simplify right side
    91,214.55x = 6,666,723,076.23
  5. Step 5: Solve for x
    x = 6,666,723,076.23/91,214.55
  6. Step 6: Final answer
    x = 73,088.37

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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.