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Finding the Fourth Proportional to 258,920.01, 357,258.47 and 163,557.45

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Solution

The fourth proportional to 258,920.01, 357,258.47 and 163,557.45 is: 225,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,920.01 : 357,258.47 = 163,557.45 : x
  2. Step 2: Convert to fraction form
    258,920.01/357,258.47 = 163,557.45/x
  3. Step 3: Cross multiply
    258,920.01x = 357,258.47 × 163,557.45
  4. Step 4: Simplify right side
    258,920.01x = 58,432,283,526.31
  5. Step 5: Solve for x
    x = 58,432,283,526.31/258,920.01
  6. Step 6: Final answer
    x = 225,676.97

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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.