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Finding the Fourth Proportional to 191,101.80, 286,652.70 and 96,623.40

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Solution

The fourth proportional to 191,101.80, 286,652.70 and 96,623.40 is: 144,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,101.80 : 286,652.70 = 96,623.40 : x
  2. Step 2: Convert to fraction form
    191,101.80/286,652.70 = 96,623.40/x
  3. Step 3: Cross multiply
    191,101.80x = 286,652.70 × 96,623.40
  4. Step 4: Simplify right side
    191,101.80x = 27,697,358,493.18
  5. Step 5: Solve for x
    x = 27,697,358,493.18/191,101.80
  6. Step 6: Final answer
    x = 144,935.10

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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.