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Finding the Fourth Proportional to 160,802.28, 221,703.21 and 114,916.73

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Solution

The fourth proportional to 160,802.28, 221,703.21 and 114,916.73 is: 158,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,802.28 : 221,703.21 = 114,916.73 : x
  2. Step 2: Convert to fraction form
    160,802.28/221,703.21 = 114,916.73/x
  3. Step 3: Cross multiply
    160,802.28x = 221,703.21 × 114,916.73
  4. Step 4: Simplify right side
    160,802.28x = 25,477,406,815.19
  5. Step 5: Solve for x
    x = 25,477,406,815.19/160,802.28
  6. Step 6: Final answer
    x = 158,439.34

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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.