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Finding the Fourth Proportional to 233,888.23, 322,848.75 and 138,394.72

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Solution

The fourth proportional to 233,888.23, 322,848.75 and 138,394.72 is: 191,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,888.23 : 322,848.75 = 138,394.72 : x
  2. Step 2: Convert to fraction form
    233,888.23/322,848.75 = 138,394.72/x
  3. Step 3: Cross multiply
    233,888.23x = 322,848.75 × 138,394.72
  4. Step 4: Simplify right side
    233,888.23x = 44,680,562,358.60
  5. Step 5: Solve for x
    x = 44,680,562,358.60/233,888.23
  6. Step 6: Final answer
    x = 191,033.82

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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.