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Finding the Fourth Proportional to 352,232.66, 528,370.95 and 99,532.50

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Solution

The fourth proportional to 352,232.66, 528,370.95 and 99,532.50 is: 149,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,232.66 : 528,370.95 = 99,532.50 : x
  2. Step 2: Convert to fraction form
    352,232.66/528,370.95 = 99,532.50/x
  3. Step 3: Cross multiply
    352,232.66x = 528,370.95 × 99,532.50
  4. Step 4: Simplify right side
    352,232.66x = 52,590,081,580.88
  5. Step 5: Solve for x
    x = 52,590,081,580.88/352,232.66
  6. Step 6: Final answer
    x = 149,304.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.