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Finding the Fourth Proportional to 97,347.45, 134,316.03 and 67,123.11

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Solution

The fourth proportional to 97,347.45, 134,316.03 and 67,123.11 is: 92,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,347.45 : 134,316.03 = 67,123.11 : x
  2. Step 2: Convert to fraction form
    97,347.45/134,316.03 = 67,123.11/x
  3. Step 3: Cross multiply
    97,347.45x = 134,316.03 × 67,123.11
  4. Step 4: Simplify right side
    97,347.45x = 9,015,709,656.45
  5. Step 5: Solve for x
    x = 9,015,709,656.45/97,347.45
  6. Step 6: Final answer
    x = 92,613.72

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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.