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Finding the Fourth Proportional to 134,886.80, 202,330.20 and 64,749.20

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Solution

The fourth proportional to 134,886.80, 202,330.20 and 64,749.20 is: 97,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.80 : 202,330.20 = 64,749.20 : x
  2. Step 2: Convert to fraction form
    134,886.80/202,330.20 = 64,749.20/x
  3. Step 3: Cross multiply
    134,886.80x = 202,330.20 × 64,749.20
  4. Step 4: Simplify right side
    134,886.80x = 13,100,718,585.84
  5. Step 5: Solve for x
    x = 13,100,718,585.84/134,886.80
  6. Step 6: Final answer
    x = 97,123.80

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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.