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Finding the Fourth Proportional to 172,526.84, 238,056 and 98,933.48

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Solution

The fourth proportional to 172,526.84, 238,056 and 98,933.48 is: 136,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,526.84 : 238,056 = 98,933.48 : x
  2. Step 2: Convert to fraction form
    172,526.84/238,056 = 98,933.48/x
  3. Step 3: Cross multiply
    172,526.84x = 238,056 × 98,933.48
  4. Step 4: Simplify right side
    172,526.84x = 23,551,708,514.88
  5. Step 5: Solve for x
    x = 23,551,708,514.88/172,526.84
  6. Step 6: Final answer
    x = 136,510.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.