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Finding the Fourth Proportional to 173,681.80, 260,522.70 and 162,017.80

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Solution

The fourth proportional to 173,681.80, 260,522.70 and 162,017.80 is: 243,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.80 : 260,522.70 = 162,017.80 : x
  2. Step 2: Convert to fraction form
    173,681.80/260,522.70 = 162,017.80/x
  3. Step 3: Cross multiply
    173,681.80x = 260,522.70 × 162,017.80
  4. Step 4: Simplify right side
    173,681.80x = 42,209,314,704.06
  5. Step 5: Solve for x
    x = 42,209,314,704.06/173,681.80
  6. Step 6: Final answer
    x = 243,026.70

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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.