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Finding the Fourth Proportional to 186,442.44, 257,294.54 and 101,559.32

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Solution

The fourth proportional to 186,442.44, 257,294.54 and 101,559.32 is: 140,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,442.44 : 257,294.54 = 101,559.32 : x
  2. Step 2: Convert to fraction form
    186,442.44/257,294.54 = 101,559.32/x
  3. Step 3: Cross multiply
    186,442.44x = 257,294.54 × 101,559.32
  4. Step 4: Simplify right side
    186,442.44x = 26,130,658,522.11
  5. Step 5: Solve for x
    x = 26,130,658,522.11/186,442.44
  6. Step 6: Final answer
    x = 140,154.03

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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.