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Finding the Fourth Proportional to 243,157.51, 364,486.83 and 93,357.46

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Solution

The fourth proportional to 243,157.51, 364,486.83 and 93,357.46 is: 139,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,157.51 : 364,486.83 = 93,357.46 : x
  2. Step 2: Convert to fraction form
    243,157.51/364,486.83 = 93,357.46/x
  3. Step 3: Cross multiply
    243,157.51x = 364,486.83 × 93,357.46
  4. Step 4: Simplify right side
    243,157.51x = 34,027,564,652.25
  5. Step 5: Solve for x
    x = 34,027,564,652.25/243,157.51
  6. Step 6: Final answer
    x = 139,940.42

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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.