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Finding the Fourth Proportional to 107,699.55, 148,630.31 and 59,955.99

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Solution

The fourth proportional to 107,699.55, 148,630.31 and 59,955.99 is: 82,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,699.55 : 148,630.31 = 59,955.99 : x
  2. Step 2: Convert to fraction form
    107,699.55/148,630.31 = 59,955.99/x
  3. Step 3: Cross multiply
    107,699.55x = 148,630.31 × 59,955.99
  4. Step 4: Simplify right side
    107,699.55x = 8,911,277,380.06
  5. Step 5: Solve for x
    x = 8,911,277,380.06/107,699.55
  6. Step 6: Final answer
    x = 82,742.01

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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.