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Finding the Fourth Proportional to 251,547.83, 347,250.95 and 168,900.19

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Solution

The fourth proportional to 251,547.83, 347,250.95 and 168,900.19 is: 233,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,547.83 : 347,250.95 = 168,900.19 : x
  2. Step 2: Convert to fraction form
    251,547.83/347,250.95 = 168,900.19/x
  3. Step 3: Cross multiply
    251,547.83x = 347,250.95 × 168,900.19
  4. Step 4: Simplify right side
    251,547.83x = 58,650,750,353.43
  5. Step 5: Solve for x
    x = 58,650,750,353.43/251,547.83
  6. Step 6: Final answer
    x = 233,159.44

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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.