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Finding the Fourth Proportional to 173,405.84, 260,108.76 and 48,746.84

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Solution

The fourth proportional to 173,405.84, 260,108.76 and 48,746.84 is: 73,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,405.84 : 260,108.76 = 48,746.84 : x
  2. Step 2: Convert to fraction form
    173,405.84/260,108.76 = 48,746.84/x
  3. Step 3: Cross multiply
    173,405.84x = 260,108.76 × 48,746.84
  4. Step 4: Simplify right side
    173,405.84x = 12,679,480,106.32
  5. Step 5: Solve for x
    x = 12,679,480,106.32/173,405.84
  6. Step 6: Final answer
    x = 73,120.26

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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.