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Finding the Fourth Proportional to 101,559.96, 140,151.96 and 56,237.76

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Solution

The fourth proportional to 101,559.96, 140,151.96 and 56,237.76 is: 77,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,559.96 : 140,151.96 = 56,237.76 : x
  2. Step 2: Convert to fraction form
    101,559.96/140,151.96 = 56,237.76/x
  3. Step 3: Cross multiply
    101,559.96x = 140,151.96 × 56,237.76
  4. Step 4: Simplify right side
    101,559.96x = 7,881,832,290.01
  5. Step 5: Solve for x
    x = 7,881,832,290.01/101,559.96
  6. Step 6: Final answer
    x = 77,607.67

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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.