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Finding the Fourth Proportional to 98,199.36, 135,527.76 and 59,950.89

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Solution

The fourth proportional to 98,199.36, 135,527.76 and 59,950.89 is: 82,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,199.36 : 135,527.76 = 59,950.89 : x
  2. Step 2: Convert to fraction form
    98,199.36/135,527.76 = 59,950.89/x
  3. Step 3: Cross multiply
    98,199.36x = 135,527.76 × 59,950.89
  4. Step 4: Simplify right side
    98,199.36x = 8,125,009,831.71
  5. Step 5: Solve for x
    x = 8,125,009,831.71/98,199.36
  6. Step 6: Final answer
    x = 82,739.95

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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.