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Finding the Fourth Proportional to 152,665.50, 210,678.48 and 93,049.50

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Solution

The fourth proportional to 152,665.50, 210,678.48 and 93,049.50 is: 128,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,665.50 : 210,678.48 = 93,049.50 : x
  2. Step 2: Convert to fraction form
    152,665.50/210,678.48 = 93,049.50/x
  3. Step 3: Cross multiply
    152,665.50x = 210,678.48 × 93,049.50
  4. Step 4: Simplify right side
    152,665.50x = 19,603,527,224.76
  5. Step 5: Solve for x
    x = 19,603,527,224.76/152,665.50
  6. Step 6: Final answer
    x = 128,408.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.