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Finding the Fourth Proportional to 156,792.65, 235,188.98 and 154,200.65

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Solution

The fourth proportional to 156,792.65, 235,188.98 and 154,200.65 is: 231,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.65 : 235,188.98 = 154,200.65 : x
  2. Step 2: Convert to fraction form
    156,792.65/235,188.98 = 154,200.65/x
  3. Step 3: Cross multiply
    156,792.65x = 235,188.98 × 154,200.65
  4. Step 4: Simplify right side
    156,792.65x = 36,266,293,588.84
  5. Step 5: Solve for x
    x = 36,266,293,588.84/156,792.65
  6. Step 6: Final answer
    x = 231,300.98

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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.