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Finding the Fourth Proportional to 119,248.45, 164,554.90 and 65,532.31

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Solution

The fourth proportional to 119,248.45, 164,554.90 and 65,532.31 is: 90,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,248.45 : 164,554.90 = 65,532.31 : x
  2. Step 2: Convert to fraction form
    119,248.45/164,554.90 = 65,532.31/x
  3. Step 3: Cross multiply
    119,248.45x = 164,554.90 × 65,532.31
  4. Step 4: Simplify right side
    119,248.45x = 10,783,662,718.82
  5. Step 5: Solve for x
    x = 10,783,662,718.82/119,248.45
  6. Step 6: Final answer
    x = 90,430.21

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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.