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Finding the Fourth Proportional to 224,627.10, 309,986.06 and 122,653.45

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Solution

The fourth proportional to 224,627.10, 309,986.06 and 122,653.45 is: 169,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,627.10 : 309,986.06 = 122,653.45 : x
  2. Step 2: Convert to fraction form
    224,627.10/309,986.06 = 122,653.45/x
  3. Step 3: Cross multiply
    224,627.10x = 309,986.06 × 122,653.45
  4. Step 4: Simplify right side
    224,627.10x = 38,020,859,710.91
  5. Step 5: Solve for x
    x = 38,020,859,710.91/224,627.10
  6. Step 6: Final answer
    x = 169,262.12

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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.