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Finding the Fourth Proportional to 152,373.49, 228,647.71 and 118,999.87

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Solution

The fourth proportional to 152,373.49, 228,647.71 and 118,999.87 is: 178,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,373.49 : 228,647.71 = 118,999.87 : x
  2. Step 2: Convert to fraction form
    152,373.49/228,647.71 = 118,999.87/x
  3. Step 3: Cross multiply
    152,373.49x = 228,647.71 × 118,999.87
  4. Step 4: Simplify right side
    152,373.49x = 27,209,047,342.93
  5. Step 5: Solve for x
    x = 27,209,047,342.93/152,373.49
  6. Step 6: Final answer
    x = 178,568.12

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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.