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Finding the Fourth Proportional to 160,430.50, 221,452.41 and 93,362.50

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Solution

The fourth proportional to 160,430.50, 221,452.41 and 93,362.50 is: 128,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,430.50 : 221,452.41 = 93,362.50 : x
  2. Step 2: Convert to fraction form
    160,430.50/221,452.41 = 93,362.50/x
  3. Step 3: Cross multiply
    160,430.50x = 221,452.41 × 93,362.50
  4. Step 4: Simplify right side
    160,430.50x = 20,675,350,628.63
  5. Step 5: Solve for x
    x = 20,675,350,628.63/160,430.50
  6. Step 6: Final answer
    x = 128,874.19

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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.