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Finding the Fourth Proportional to 176,014.48, 242,814.12 and 100,543.12

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Solution

The fourth proportional to 176,014.48, 242,814.12 and 100,543.12 is: 138,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,014.48 : 242,814.12 = 100,543.12 : x
  2. Step 2: Convert to fraction form
    176,014.48/242,814.12 = 100,543.12/x
  3. Step 3: Cross multiply
    176,014.48x = 242,814.12 × 100,543.12
  4. Step 4: Simplify right side
    176,014.48x = 24,413,289,204.85
  5. Step 5: Solve for x
    x = 24,413,289,204.85/176,014.48
  6. Step 6: Final answer
    x = 138,700.46

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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.