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Finding the Fourth Proportional to 88,900.51, 122,681.85 and 48,613.87

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Solution

The fourth proportional to 88,900.51, 122,681.85 and 48,613.87 is: 67,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900.51 : 122,681.85 = 48,613.87 : x
  2. Step 2: Convert to fraction form
    88,900.51/122,681.85 = 48,613.87/x
  3. Step 3: Cross multiply
    88,900.51x = 122,681.85 × 48,613.87
  4. Step 4: Simplify right side
    88,900.51x = 5,964,039,507.26
  5. Step 5: Solve for x
    x = 5,964,039,507.26/88,900.51
  6. Step 6: Final answer
    x = 67,086.67

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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.