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Finding the Fourth Proportional to 173,888.34, 239,968.41 and 101,289.38

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Solution

The fourth proportional to 173,888.34, 239,968.41 and 101,289.38 is: 139,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,888.34 : 239,968.41 = 101,289.38 : x
  2. Step 2: Convert to fraction form
    173,888.34/239,968.41 = 101,289.38/x
  3. Step 3: Cross multiply
    173,888.34x = 239,968.41 × 101,289.38
  4. Step 4: Simplify right side
    173,888.34x = 24,306,249,888.81
  5. Step 5: Solve for x
    x = 24,306,249,888.81/173,888.34
  6. Step 6: Final answer
    x = 139,780.79

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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.