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Finding the Fourth Proportional to 142,798.60, 214,197.90 and 37,628.20

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Solution

The fourth proportional to 142,798.60, 214,197.90 and 37,628.20 is: 56,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,798.60 : 214,197.90 = 37,628.20 : x
  2. Step 2: Convert to fraction form
    142,798.60/214,197.90 = 37,628.20/x
  3. Step 3: Cross multiply
    142,798.60x = 214,197.90 × 37,628.20
  4. Step 4: Simplify right side
    142,798.60x = 8,059,881,420.78
  5. Step 5: Solve for x
    x = 8,059,881,420.78/142,798.60
  6. Step 6: Final answer
    x = 56,442.30

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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.