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Finding the Fourth Proportional to 214,959.76, 322,059.90 and 130,547.56

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Solution

The fourth proportional to 214,959.76, 322,059.90 and 130,547.56 is: 195,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,959.76 : 322,059.90 = 130,547.56 : x
  2. Step 2: Convert to fraction form
    214,959.76/322,059.90 = 130,547.56/x
  3. Step 3: Cross multiply
    214,959.76x = 322,059.90 × 130,547.56
  4. Step 4: Simplify right side
    214,959.76x = 42,044,134,118.84
  5. Step 5: Solve for x
    x = 42,044,134,118.84/214,959.76
  6. Step 6: Final answer
    x = 195,590.72

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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.