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Finding the Fourth Proportional to 97,732.58, 134,809.38 and 75,036.92

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Solution

The fourth proportional to 97,732.58, 134,809.38 and 75,036.92 is: 103,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,732.58 : 134,809.38 = 75,036.92 : x
  2. Step 2: Convert to fraction form
    97,732.58/134,809.38 = 75,036.92/x
  3. Step 3: Cross multiply
    97,732.58x = 134,809.38 × 75,036.92
  4. Step 4: Simplify right side
    97,732.58x = 10,115,679,988.26
  5. Step 5: Solve for x
    x = 10,115,679,988.26/97,732.58
  6. Step 6: Final answer
    x = 103,503.67

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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.