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Finding the Fourth Proportional to 153,038.56, 229,571.04 and 42,230.56

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Solution

The fourth proportional to 153,038.56, 229,571.04 and 42,230.56 is: 63,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,038.56 : 229,571.04 = 42,230.56 : x
  2. Step 2: Convert to fraction form
    153,038.56/229,571.04 = 42,230.56/x
  3. Step 3: Cross multiply
    153,038.56x = 229,571.04 × 42,230.56
  4. Step 4: Simplify right side
    153,038.56x = 9,694,913,578.98
  5. Step 5: Solve for x
    x = 9,694,913,578.98/153,038.56
  6. Step 6: Final answer
    x = 63,349.48

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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.