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Finding the Fourth Proportional to 210,842.19, 291,139.52 and 150,597.63

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Solution

The fourth proportional to 210,842.19, 291,139.52 and 150,597.63 is: 207,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,842.19 : 291,139.52 = 150,597.63 : x
  2. Step 2: Convert to fraction form
    210,842.19/291,139.52 = 150,597.63/x
  3. Step 3: Cross multiply
    210,842.19x = 291,139.52 × 150,597.63
  4. Step 4: Simplify right side
    210,842.19x = 43,844,920,958.35
  5. Step 5: Solve for x
    x = 43,844,920,958.35/210,842.19
  6. Step 6: Final answer
    x = 207,951.36

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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.