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Finding the Fourth Proportional to 152,376.67, 209,798.68 and 134,216.06

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Solution

The fourth proportional to 152,376.67, 209,798.68 and 134,216.06 is: 184,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,376.67 : 209,798.68 = 134,216.06 : x
  2. Step 2: Convert to fraction form
    152,376.67/209,798.68 = 134,216.06/x
  3. Step 3: Cross multiply
    152,376.67x = 209,798.68 × 134,216.06
  4. Step 4: Simplify right side
    152,376.67x = 28,158,352,663.41
  5. Step 5: Solve for x
    x = 28,158,352,663.41/152,376.67
  6. Step 6: Final answer
    x = 184,794.39

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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.