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Finding the Fourth Proportional to 142,812.91, 214,008.22 and 134,824.89

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Solution

The fourth proportional to 142,812.91, 214,008.22 and 134,824.89 is: 202,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,812.91 : 214,008.22 = 134,824.89 : x
  2. Step 2: Convert to fraction form
    142,812.91/214,008.22 = 134,824.89/x
  3. Step 3: Cross multiply
    142,812.91x = 214,008.22 × 134,824.89
  4. Step 4: Simplify right side
    142,812.91x = 28,853,634,720.60
  5. Step 5: Solve for x
    x = 28,853,634,720.60/142,812.91
  6. Step 6: Final answer
    x = 202,038.00

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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.