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Finding the Fourth Proportional to 168,457.98, 252,685.95 and 42,097.58

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Solution

The fourth proportional to 168,457.98, 252,685.95 and 42,097.58 is: 63,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,457.98 : 252,685.95 = 42,097.58 : x
  2. Step 2: Convert to fraction form
    168,457.98/252,685.95 = 42,097.58/x
  3. Step 3: Cross multiply
    168,457.98x = 252,685.95 × 42,097.58
  4. Step 4: Simplify right side
    168,457.98x = 10,637,465,731.57
  5. Step 5: Solve for x
    x = 10,637,465,731.57/168,457.98
  6. Step 6: Final answer
    x = 63,146.11

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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.