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Finding the Fourth Proportional to 151,762.01, 209,430.28 and 83,777.52

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Solution

The fourth proportional to 151,762.01, 209,430.28 and 83,777.52 is: 115,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,762.01 : 209,430.28 = 83,777.52 : x
  2. Step 2: Convert to fraction form
    151,762.01/209,430.28 = 83,777.52/x
  3. Step 3: Cross multiply
    151,762.01x = 209,430.28 × 83,777.52
  4. Step 4: Simplify right side
    151,762.01x = 17,545,549,471.31
  5. Step 5: Solve for x
    x = 17,545,549,471.31/151,762.01
  6. Step 6: Final answer
    x = 115,612.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.