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Finding the Fourth Proportional to 210,976.88, 316,465.31 and 63,232.88

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Solution

The fourth proportional to 210,976.88, 316,465.31 and 63,232.88 is: 94,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,976.88 : 316,465.31 = 63,232.88 : x
  2. Step 2: Convert to fraction form
    210,976.88/316,465.31 = 63,232.88/x
  3. Step 3: Cross multiply
    210,976.88x = 316,465.31 × 63,232.88
  4. Step 4: Simplify right side
    210,976.88x = 20,011,011,547.15
  5. Step 5: Solve for x
    x = 20,011,011,547.15/210,976.88
  6. Step 6: Final answer
    x = 94,849.31

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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.