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Finding the Fourth Proportional to 169,213.14, 253,820.28 and 42,853.32

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Solution

The fourth proportional to 169,213.14, 253,820.28 and 42,853.32 is: 64,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,213.14 : 253,820.28 = 42,853.32 : x
  2. Step 2: Convert to fraction form
    169,213.14/253,820.28 = 42,853.32/x
  3. Step 3: Cross multiply
    169,213.14x = 253,820.28 × 42,853.32
  4. Step 4: Simplify right side
    169,213.14x = 10,877,041,681.33
  5. Step 5: Solve for x
    x = 10,877,041,681.33/169,213.14
  6. Step 6: Final answer
    x = 64,280.12

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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.