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Finding the Fourth Proportional to 211,360.59, 291,689.64 and 125,370.59

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Solution

The fourth proportional to 211,360.59, 291,689.64 and 125,370.59 is: 173,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,360.59 : 291,689.64 = 125,370.59 : x
  2. Step 2: Convert to fraction form
    211,360.59/291,689.64 = 125,370.59/x
  3. Step 3: Cross multiply
    211,360.59x = 291,689.64 × 125,370.59
  4. Step 4: Simplify right side
    211,360.59x = 36,569,300,805.24
  5. Step 5: Solve for x
    x = 36,569,300,805.24/211,360.59
  6. Step 6: Final answer
    x = 173,018.54

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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.