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Finding the Fourth Proportional to 186,625.92, 257,547.12 and 101,746.56

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Solution

The fourth proportional to 186,625.92, 257,547.12 and 101,746.56 is: 140,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625.92 : 257,547.12 = 101,746.56 : x
  2. Step 2: Convert to fraction form
    186,625.92/257,547.12 = 101,746.56/x
  3. Step 3: Cross multiply
    186,625.92x = 257,547.12 × 101,746.56
  4. Step 4: Simplify right side
    186,625.92x = 26,204,533,497.91
  5. Step 5: Solve for x
    x = 26,204,533,497.91/186,625.92
  6. Step 6: Final answer
    x = 140,412.08

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1.5x scale

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.