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Finding the Fourth Proportional to 97,362.60, 134,328.90 and 54,335.10

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Solution

The fourth proportional to 97,362.60, 134,328.90 and 54,335.10 is: 74,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,362.60 : 134,328.90 = 54,335.10 : x
  2. Step 2: Convert to fraction form
    97,362.60/134,328.90 = 54,335.10/x
  3. Step 3: Cross multiply
    97,362.60x = 134,328.90 × 54,335.10
  4. Step 4: Simplify right side
    97,362.60x = 7,298,774,214.39
  5. Step 5: Solve for x
    x = 7,298,774,214.39/97,362.60
  6. Step 6: Final answer
    x = 74,964.87

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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.