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Finding the Fourth Proportional to 191,193.40, 286,790.10 and 183,935.80

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Solution

The fourth proportional to 191,193.40, 286,790.10 and 183,935.80 is: 275,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,193.40 : 286,790.10 = 183,935.80 : x
  2. Step 2: Convert to fraction form
    191,193.40/286,790.10 = 183,935.80/x
  3. Step 3: Cross multiply
    191,193.40x = 286,790.10 × 183,935.80
  4. Step 4: Simplify right side
    191,193.40x = 52,750,966,475.58
  5. Step 5: Solve for x
    x = 52,750,966,475.58/191,193.40
  6. Step 6: Final answer
    x = 275,903.70

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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.