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Finding the Fourth Proportional to 162,180.16, 223,963.20 and 153,344.80

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Solution

The fourth proportional to 162,180.16, 223,963.20 and 153,344.80 is: 211,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,180.16 : 223,963.20 = 153,344.80 : x
  2. Step 2: Convert to fraction form
    162,180.16/223,963.20 = 153,344.80/x
  3. Step 3: Cross multiply
    162,180.16x = 223,963.20 × 153,344.80
  4. Step 4: Simplify right side
    162,180.16x = 34,343,592,111.36
  5. Step 5: Solve for x
    x = 34,343,592,111.36/162,180.16
  6. Step 6: Final answer
    x = 211,761.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.