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Finding the Fourth Proportional to 217,424.63, 300,060.18 and 125,547.79

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Solution

The fourth proportional to 217,424.63, 300,060.18 and 125,547.79 is: 173,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,424.63 : 300,060.18 = 125,547.79 : x
  2. Step 2: Convert to fraction form
    217,424.63/300,060.18 = 125,547.79/x
  3. Step 3: Cross multiply
    217,424.63x = 300,060.18 × 125,547.79
  4. Step 4: Simplify right side
    217,424.63x = 37,671,892,466.00
  5. Step 5: Solve for x
    x = 37,671,892,466.00/217,424.63
  6. Step 6: Final answer
    x = 173,264.14

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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.