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Finding the Fourth Proportional to 134,471.40, 201,707.10 and 112,820.10

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Solution

The fourth proportional to 134,471.40, 201,707.10 and 112,820.10 is: 169,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.40 : 201,707.10 = 112,820.10 : x
  2. Step 2: Convert to fraction form
    134,471.40/201,707.10 = 112,820.10/x
  3. Step 3: Cross multiply
    134,471.40x = 201,707.10 × 112,820.10
  4. Step 4: Simplify right side
    134,471.40x = 22,756,615,192.71
  5. Step 5: Solve for x
    x = 22,756,615,192.71/134,471.40
  6. Step 6: Final answer
    x = 169,230.15

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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.