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Finding the Fourth Proportional to 191,363.72, 287,045.30 and 65,017.08

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Solution

The fourth proportional to 191,363.72, 287,045.30 and 65,017.08 is: 97,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,363.72 : 287,045.30 = 65,017.08 : x
  2. Step 2: Convert to fraction form
    191,363.72/287,045.30 = 65,017.08/x
  3. Step 3: Cross multiply
    191,363.72x = 287,045.30 × 65,017.08
  4. Step 4: Simplify right side
    191,363.72x = 18,662,846,908.64
  5. Step 5: Solve for x
    x = 18,662,846,908.64/191,363.72
  6. Step 6: Final answer
    x = 97,525.53

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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.