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Finding the Fourth Proportional to 107,485.93, 147,991.76 and 97,521.41

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Solution

The fourth proportional to 107,485.93, 147,991.76 and 97,521.41 is: 134,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,485.93 : 147,991.76 = 97,521.41 : x
  2. Step 2: Convert to fraction form
    107,485.93/147,991.76 = 97,521.41/x
  3. Step 3: Cross multiply
    107,485.93x = 147,991.76 × 97,521.41
  4. Step 4: Simplify right side
    107,485.93x = 14,432,364,363.62
  5. Step 5: Solve for x
    x = 14,432,364,363.62/107,485.93
  6. Step 6: Final answer
    x = 134,272.13

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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.