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Finding the Fourth Proportional to 255,851.83, 353,220.09 and 169,958.08

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Solution

The fourth proportional to 255,851.83, 353,220.09 and 169,958.08 is: 234,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,851.83 : 353,220.09 = 169,958.08 : x
  2. Step 2: Convert to fraction form
    255,851.83/353,220.09 = 169,958.08/x
  3. Step 3: Cross multiply
    255,851.83x = 353,220.09 × 169,958.08
  4. Step 4: Simplify right side
    255,851.83x = 60,032,606,547.73
  5. Step 5: Solve for x
    x = 60,032,606,547.73/255,851.83
  6. Step 6: Final answer
    x = 234,638.18

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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.