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Finding the Fourth Proportional to 157,173.90, 235,810.02 and 101,077.34

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Solution

The fourth proportional to 157,173.90, 235,810.02 and 101,077.34 is: 151,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173.90 : 235,810.02 = 101,077.34 : x
  2. Step 2: Convert to fraction form
    157,173.90/235,810.02 = 101,077.34/x
  3. Step 3: Cross multiply
    157,173.90x = 235,810.02 × 101,077.34
  4. Step 4: Simplify right side
    157,173.90x = 23,835,049,566.95
  5. Step 5: Solve for x
    x = 23,835,049,566.95/157,173.90
  6. Step 6: Final answer
    x = 151,647.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.