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Finding the Fourth Proportional to 101,494.18, 140,060.01 and 56,172.16

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Solution

The fourth proportional to 101,494.18, 140,060.01 and 56,172.16 is: 77,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,494.18 : 140,060.01 = 56,172.16 : x
  2. Step 2: Convert to fraction form
    101,494.18/140,060.01 = 56,172.16/x
  3. Step 3: Cross multiply
    101,494.18x = 140,060.01 × 56,172.16
  4. Step 4: Simplify right side
    101,494.18x = 7,867,473,291.32
  5. Step 5: Solve for x
    x = 7,867,473,291.32/101,494.18
  6. Step 6: Final answer
    x = 77,516.50

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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.