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Finding the Fourth Proportional to 211,027.50, 316,541.25 and 63,283.50

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Solution

The fourth proportional to 211,027.50, 316,541.25 and 63,283.50 is: 94,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,027.50 : 316,541.25 = 63,283.50 : x
  2. Step 2: Convert to fraction form
    211,027.50/316,541.25 = 63,283.50/x
  3. Step 3: Cross multiply
    211,027.50x = 316,541.25 × 63,283.50
  4. Step 4: Simplify right side
    211,027.50x = 20,031,838,194.38
  5. Step 5: Solve for x
    x = 20,031,838,194.38/211,027.50
  6. Step 6: Final answer
    x = 94,925.25

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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.