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Finding the Fourth Proportional to 173,894.85, 260,842.28 and 55,570.05

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Solution

The fourth proportional to 173,894.85, 260,842.28 and 55,570.05 is: 83,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,894.85 : 260,842.28 = 55,570.05 : x
  2. Step 2: Convert to fraction form
    173,894.85/260,842.28 = 55,570.05/x
  3. Step 3: Cross multiply
    173,894.85x = 260,842.28 × 55,570.05
  4. Step 4: Simplify right side
    173,894.85x = 14,495,018,263.86
  5. Step 5: Solve for x
    x = 14,495,018,263.86/173,894.85
  6. Step 6: Final answer
    x = 83,355.08

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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.