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Finding the Fourth Proportional to 191,352.48, 286,885.74 and 132,018.84

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Solution

The fourth proportional to 191,352.48, 286,885.74 and 132,018.84 is: 197,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,352.48 : 286,885.74 = 132,018.84 : x
  2. Step 2: Convert to fraction form
    191,352.48/286,885.74 = 132,018.84/x
  3. Step 3: Cross multiply
    191,352.48x = 286,885.74 × 132,018.84
  4. Step 4: Simplify right side
    191,352.48x = 37,874,322,607.34
  5. Step 5: Solve for x
    x = 37,874,322,607.34/191,352.48
  6. Step 6: Final answer
    x = 197,929.61

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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.