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Finding the Fourth Proportional to 152,027.40, 228,041.10 and 131,291.40

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Solution

The fourth proportional to 152,027.40, 228,041.10 and 131,291.40 is: 196,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,027.40 : 228,041.10 = 131,291.40 : x
  2. Step 2: Convert to fraction form
    152,027.40/228,041.10 = 131,291.40/x
  3. Step 3: Cross multiply
    152,027.40x = 228,041.10 × 131,291.40
  4. Step 4: Simplify right side
    152,027.40x = 29,939,835,276.54
  5. Step 5: Solve for x
    x = 29,939,835,276.54/152,027.40
  6. Step 6: Final answer
    x = 196,937.10

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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.