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Finding the Fourth Proportional to 172,256.16, 258,377.04 and 59,962.08

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Solution

The fourth proportional to 172,256.16, 258,377.04 and 59,962.08 is: 89,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,256.16 : 258,377.04 = 59,962.08 : x
  2. Step 2: Convert to fraction form
    172,256.16/258,377.04 = 59,962.08/x
  3. Step 3: Cross multiply
    172,256.16x = 258,377.04 × 59,962.08
  4. Step 4: Simplify right side
    172,256.16x = 15,492,824,742.64
  5. Step 5: Solve for x
    x = 15,492,824,742.64/172,256.16
  6. Step 6: Final answer
    x = 89,940.61

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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.