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Finding the Fourth Proportional to 152,417.44, 210,339.54 and 88,732

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Solution

The fourth proportional to 152,417.44, 210,339.54 and 88,732 is: 122,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,417.44 : 210,339.54 = 88,732 : x
  2. Step 2: Convert to fraction form
    152,417.44/210,339.54 = 88,732/x
  3. Step 3: Cross multiply
    152,417.44x = 210,339.54 × 88,732
  4. Step 4: Simplify right side
    152,417.44x = 18,663,848,063.28
  5. Step 5: Solve for x
    x = 18,663,848,063.28/152,417.44
  6. Step 6: Final answer
    x = 122,452.18

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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.