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Finding the Fourth Proportional to 250,877.34, 346,209.66 and 137,697.66

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Solution

The fourth proportional to 250,877.34, 346,209.66 and 137,697.66 is: 190,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,877.34 : 346,209.66 = 137,697.66 : x
  2. Step 2: Convert to fraction form
    250,877.34/346,209.66 = 137,697.66/x
  3. Step 3: Cross multiply
    250,877.34x = 346,209.66 × 137,697.66
  4. Step 4: Simplify right side
    250,877.34x = 47,672,260,051.40
  5. Step 5: Solve for x
    x = 47,672,260,051.40/250,877.34
  6. Step 6: Final answer
    x = 190,022.18

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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.