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Finding the Fourth Proportional to 77,652.72, 107,159.34 and 45,824.52

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Solution

The fourth proportional to 77,652.72, 107,159.34 and 45,824.52 is: 63,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,652.72 : 107,159.34 = 45,824.52 : x
  2. Step 2: Convert to fraction form
    77,652.72/107,159.34 = 45,824.52/x
  3. Step 3: Cross multiply
    77,652.72x = 107,159.34 × 45,824.52
  4. Step 4: Simplify right side
    77,652.72x = 4,910,525,319.02
  5. Step 5: Solve for x
    x = 4,910,525,319.02/77,652.72
  6. Step 6: Final answer
    x = 63,237.00

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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.