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Finding the Fourth Proportional to 98,777.76, 148,131.56 and 35,580.92

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Solution

The fourth proportional to 98,777.76, 148,131.56 and 35,580.92 is: 53,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,777.76 : 148,131.56 = 35,580.92 : x
  2. Step 2: Convert to fraction form
    98,777.76/148,131.56 = 35,580.92/x
  3. Step 3: Cross multiply
    98,777.76x = 148,131.56 × 35,580.92
  4. Step 4: Simplify right side
    98,777.76x = 5,270,657,185.84
  5. Step 5: Solve for x
    x = 5,270,657,185.84/98,777.76
  6. Step 6: Final answer
    x = 53,358.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.