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Finding the Fourth Proportional to 186,250.88, 257,026.22 and 101,368.55

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Solution

The fourth proportional to 186,250.88, 257,026.22 and 101,368.55 is: 139,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,250.88 : 257,026.22 = 101,368.55 : x
  2. Step 2: Convert to fraction form
    186,250.88/257,026.22 = 101,368.55/x
  3. Step 3: Cross multiply
    186,250.88x = 257,026.22 × 101,368.55
  4. Step 4: Simplify right side
    186,250.88x = 26,054,373,441.41
  5. Step 5: Solve for x
    x = 26,054,373,441.41/186,250.88
  6. Step 6: Final answer
    x = 139,888.60

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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.