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Finding the Fourth Proportional to 173,886.15, 260,829.23 and 168,965.40

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Solution

The fourth proportional to 173,886.15, 260,829.23 and 168,965.40 is: 253,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.15 : 260,829.23 = 168,965.40 : x
  2. Step 2: Convert to fraction form
    173,886.15/260,829.23 = 168,965.40/x
  3. Step 3: Cross multiply
    173,886.15x = 260,829.23 × 168,965.40
  4. Step 4: Simplify right side
    173,886.15x = 44,071,114,333.82
  5. Step 5: Solve for x
    x = 44,071,114,333.82/173,886.15
  6. Step 6: Final answer
    x = 253,448.10

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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.