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Finding the Fourth Proportional to 211,044.75, 316,567.13 and 63,300.75

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Solution

The fourth proportional to 211,044.75, 316,567.13 and 63,300.75 is: 94,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,044.75 : 316,567.13 = 63,300.75 : x
  2. Step 2: Convert to fraction form
    211,044.75/316,567.13 = 63,300.75/x
  3. Step 3: Cross multiply
    211,044.75x = 316,567.13 × 63,300.75
  4. Step 4: Simplify right side
    211,044.75x = 20,038,936,437.84
  5. Step 5: Solve for x
    x = 20,038,936,437.84/211,044.75
  6. Step 6: Final answer
    x = 94,951.13

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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.