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Finding the Fourth Proportional to 191,543.84, 264,330.49 and 111,018.08

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Solution

The fourth proportional to 191,543.84, 264,330.49 and 111,018.08 is: 153,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,543.84 : 264,330.49 = 111,018.08 : x
  2. Step 2: Convert to fraction form
    191,543.84/264,330.49 = 111,018.08/x
  3. Step 3: Cross multiply
    191,543.84x = 264,330.49 × 111,018.08
  4. Step 4: Simplify right side
    191,543.84x = 29,345,463,485.26
  5. Step 5: Solve for x
    x = 29,345,463,485.26/191,543.84
  6. Step 6: Final answer
    x = 153,204.95

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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.