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Finding the Fourth Proportional to 122,513.80, 183,792.30 and 43,673.80

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Solution

The fourth proportional to 122,513.80, 183,792.30 and 43,673.80 is: 65,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,513.80 : 183,792.30 = 43,673.80 : x
  2. Step 2: Convert to fraction form
    122,513.80/183,792.30 = 43,673.80/x
  3. Step 3: Cross multiply
    122,513.80x = 183,792.30 × 43,673.80
  4. Step 4: Simplify right side
    122,513.80x = 8,026,908,151.74
  5. Step 5: Solve for x
    x = 8,026,908,151.74/122,513.80
  6. Step 6: Final answer
    x = 65,518.40

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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.