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Finding the Fourth Proportional to 295,166.10, 442,238.85 and 137,070.30

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Solution

The fourth proportional to 295,166.10, 442,238.85 and 137,070.30 is: 205,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,166.10 : 442,238.85 = 137,070.30 : x
  2. Step 2: Convert to fraction form
    295,166.10/442,238.85 = 137,070.30/x
  3. Step 3: Cross multiply
    295,166.10x = 442,238.85 × 137,070.30
  4. Step 4: Simplify right side
    295,166.10x = 60,617,811,841.16
  5. Step 5: Solve for x
    x = 60,617,811,841.16/295,166.10
  6. Step 6: Final answer
    x = 205,368.48

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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.