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Finding the Fourth Proportional to 67,339.40, 101,009.10 and 56,971.40

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Solution

The fourth proportional to 67,339.40, 101,009.10 and 56,971.40 is: 85,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.40 : 101,009.10 = 56,971.40 : x
  2. Step 2: Convert to fraction form
    67,339.40/101,009.10 = 56,971.40/x
  3. Step 3: Cross multiply
    67,339.40x = 101,009.10 × 56,971.40
  4. Step 4: Simplify right side
    67,339.40x = 5,754,629,839.74
  5. Step 5: Solve for x
    x = 5,754,629,839.74/67,339.40
  6. Step 6: Final answer
    x = 85,457.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.