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Finding the Fourth Proportional to 272,659.39, 376,172.58 and 157,875.39

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Solution

The fourth proportional to 272,659.39, 376,172.58 and 157,875.39 is: 217,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,659.39 : 376,172.58 = 157,875.39 : x
  2. Step 2: Convert to fraction form
    272,659.39/376,172.58 = 157,875.39/x
  3. Step 3: Cross multiply
    272,659.39x = 376,172.58 × 157,875.39
  4. Step 4: Simplify right side
    272,659.39x = 59,388,392,774.81
  5. Step 5: Solve for x
    x = 59,388,392,774.81/272,659.39
  6. Step 6: Final answer
    x = 217,811.65

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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.