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Finding the Fourth Proportional to 160,400.87, 240,912.69 and 118,113.93

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Solution

The fourth proportional to 160,400.87, 240,912.69 and 118,113.93 is: 177,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.87 : 240,912.69 = 118,113.93 : x
  2. Step 2: Convert to fraction form
    160,400.87/240,912.69 = 118,113.93/x
  3. Step 3: Cross multiply
    160,400.87x = 240,912.69 × 118,113.93
  4. Step 4: Simplify right side
    160,400.87x = 28,455,144,602.77
  5. Step 5: Solve for x
    x = 28,455,144,602.77/160,400.87
  6. Step 6: Final answer
    x = 177,400.19

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1.5x scale

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.