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Finding the Fourth Proportional to 153,212.40, 229,840.20 and 48,020.40

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Solution

The fourth proportional to 153,212.40, 229,840.20 and 48,020.40 is: 72,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,212.40 : 229,840.20 = 48,020.40 : x
  2. Step 2: Convert to fraction form
    153,212.40/229,840.20 = 48,020.40/x
  3. Step 3: Cross multiply
    153,212.40x = 229,840.20 × 48,020.40
  4. Step 4: Simplify right side
    153,212.40x = 11,037,018,340.08
  5. Step 5: Solve for x
    x = 11,037,018,340.08/153,212.40
  6. Step 6: Final answer
    x = 72,037.37

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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.