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Finding the Fourth Proportional to 292,803.50, 404,068.86 and 158,667.50

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Solution

The fourth proportional to 292,803.50, 404,068.86 and 158,667.50 is: 218,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,803.50 : 404,068.86 = 158,667.50 : x
  2. Step 2: Convert to fraction form
    292,803.50/404,068.86 = 158,667.50/x
  3. Step 3: Cross multiply
    292,803.50x = 404,068.86 × 158,667.50
  4. Step 4: Simplify right side
    292,803.50x = 64,112,595,844.05
  5. Step 5: Solve for x
    x = 64,112,595,844.05/292,803.50
  6. Step 6: Final answer
    x = 218,961.17

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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.