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Finding the Fourth Proportional to 186,479.84, 257,347.19 and 101,602.37

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Solution

The fourth proportional to 186,479.84, 257,347.19 and 101,602.37 is: 140,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,479.84 : 257,347.19 = 101,602.37 : x
  2. Step 2: Convert to fraction form
    186,479.84/257,347.19 = 101,602.37/x
  3. Step 3: Cross multiply
    186,479.84x = 257,347.19 × 101,602.37
  4. Step 4: Simplify right side
    186,479.84x = 26,147,083,908.83
  5. Step 5: Solve for x
    x = 26,147,083,908.83/186,479.84
  6. Step 6: Final answer
    x = 140,214.00

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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.