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Finding the Fourth Proportional to 161,483, 222,846.54 and 90,827

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Solution

The fourth proportional to 161,483, 222,846.54 and 90,827 is: 125,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,483 : 222,846.54 = 90,827 : x
  2. Step 2: Convert to fraction form
    161,483/222,846.54 = 90,827/x
  3. Step 3: Cross multiply
    161,483x = 222,846.54 × 90,827
  4. Step 4: Simplify right side
    161,483x = 20,240,482,688.58
  5. Step 5: Solve for x
    x = 20,240,482,688.58/161,483
  6. Step 6: Final answer
    x = 125,341.26

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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.