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Finding the Fourth Proportional to 186,630.51, 257,547.92 and 101,748.27

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Solution

The fourth proportional to 186,630.51, 257,547.92 and 101,748.27 is: 140,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630.51 : 257,547.92 = 101,748.27 : x
  2. Step 2: Convert to fraction form
    186,630.51/257,547.92 = 101,748.27/x
  3. Step 3: Cross multiply
    186,630.51x = 257,547.92 × 101,748.27
  4. Step 4: Simplify right side
    186,630.51x = 26,205,054,793.36
  5. Step 5: Solve for x
    x = 26,205,054,793.36/186,630.51
  6. Step 6: Final answer
    x = 140,411.42

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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.