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Finding the Fourth Proportional to 159,430.94, 220,030.22 and 119,074.63

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Solution

The fourth proportional to 159,430.94, 220,030.22 and 119,074.63 is: 164,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,430.94 : 220,030.22 = 119,074.63 : x
  2. Step 2: Convert to fraction form
    159,430.94/220,030.22 = 119,074.63/x
  3. Step 3: Cross multiply
    159,430.94x = 220,030.22 × 119,074.63
  4. Step 4: Simplify right side
    159,430.94x = 26,200,017,035.32
  5. Step 5: Solve for x
    x = 26,200,017,035.32/159,430.94
  6. Step 6: Final answer
    x = 164,334.58

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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.