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Finding the Fourth Proportional to 268,878.60, 370,898.71 and 168,101.64

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Solution

The fourth proportional to 268,878.60, 370,898.71 and 168,101.64 is: 231,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,878.60 : 370,898.71 = 168,101.64 : x
  2. Step 2: Convert to fraction form
    268,878.60/370,898.71 = 168,101.64/x
  3. Step 3: Cross multiply
    268,878.60x = 370,898.71 × 168,101.64
  4. Step 4: Simplify right side
    268,878.60x = 62,348,681,424.88
  5. Step 5: Solve for x
    x = 62,348,681,424.88/268,878.60
  6. Step 6: Final answer
    x = 231,884.13

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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.