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Finding the Fourth Proportional to 191,545.10, 264,332.22 and 111,019.32

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Solution

The fourth proportional to 191,545.10, 264,332.22 and 111,019.32 is: 153,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,545.10 : 264,332.22 = 111,019.32 : x
  2. Step 2: Convert to fraction form
    191,545.10/264,332.22 = 111,019.32/x
  3. Step 3: Cross multiply
    191,545.10x = 264,332.22 × 111,019.32
  4. Step 4: Simplify right side
    191,545.10x = 29,345,983,318.49
  5. Step 5: Solve for x
    x = 29,345,983,318.49/191,545.10
  6. Step 6: Final answer
    x = 153,206.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.