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Finding the Fourth Proportional to 169,210.63, 253,816.53 and 42,850.83

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Solution

The fourth proportional to 169,210.63, 253,816.53 and 42,850.83 is: 64,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,210.63 : 253,816.53 = 42,850.83 : x
  2. Step 2: Convert to fraction form
    169,210.63/253,816.53 = 42,850.83/x
  3. Step 3: Cross multiply
    169,210.63x = 253,816.53 × 42,850.83
  4. Step 4: Simplify right side
    169,210.63x = 10,876,248,978.22
  5. Step 5: Solve for x
    x = 10,876,248,978.22/169,210.63
  6. Step 6: Final answer
    x = 64,276.39

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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.