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Finding the Fourth Proportional to 191,152.68, 286,562.95 and 112,100.84

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Solution

The fourth proportional to 191,152.68, 286,562.95 and 112,100.84 is: 168,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,152.68 : 286,562.95 = 112,100.84 : x
  2. Step 2: Convert to fraction form
    191,152.68/286,562.95 = 112,100.84/x
  3. Step 3: Cross multiply
    191,152.68x = 286,562.95 × 112,100.84
  4. Step 4: Simplify right side
    191,152.68x = 32,123,946,436.39
  5. Step 5: Solve for x
    x = 32,123,946,436.39/191,152.68
  6. Step 6: Final answer
    x = 168,053.86

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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.