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Finding the Fourth Proportional to 172,528.16, 238,033.90 and 97,062.08

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Solution

The fourth proportional to 172,528.16, 238,033.90 and 97,062.08 is: 133,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,528.16 : 238,033.90 = 97,062.08 : x
  2. Step 2: Convert to fraction form
    172,528.16/238,033.90 = 97,062.08/x
  3. Step 3: Cross multiply
    172,528.16x = 238,033.90 × 97,062.08
  4. Step 4: Simplify right side
    172,528.16x = 23,104,065,444.51
  5. Step 5: Solve for x
    x = 23,104,065,444.51/172,528.16
  6. Step 6: Final answer
    x = 133,914.75

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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.