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Finding the Fourth Proportional to 169,539.77, 234,159.06 and 111,655.26

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Solution

The fourth proportional to 169,539.77, 234,159.06 and 111,655.26 is: 154,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,539.77 : 234,159.06 = 111,655.26 : x
  2. Step 2: Convert to fraction form
    169,539.77/234,159.06 = 111,655.26/x
  3. Step 3: Cross multiply
    169,539.77x = 234,159.06 × 111,655.26
  4. Step 4: Simplify right side
    169,539.77x = 26,145,089,581.98
  5. Step 5: Solve for x
    x = 26,145,089,581.98/169,539.77
  6. Step 6: Final answer
    x = 154,212.14

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1.5x scale

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.