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Finding the Fourth Proportional to 155,673.17, 214,834.25 and 92,065.49

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Solution

The fourth proportional to 155,673.17, 214,834.25 and 92,065.49 is: 127,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,673.17 : 214,834.25 = 92,065.49 : x
  2. Step 2: Convert to fraction form
    155,673.17/214,834.25 = 92,065.49/x
  3. Step 3: Cross multiply
    155,673.17x = 214,834.25 × 92,065.49
  4. Step 4: Simplify right side
    155,673.17x = 19,778,820,495.03
  5. Step 5: Solve for x
    x = 19,778,820,495.03/155,673.17
  6. Step 6: Final answer
    x = 127,053.50

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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.