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Finding the Fourth Proportional to 140,018.68, 210,027.66 and 34,837.72

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Solution

The fourth proportional to 140,018.68, 210,027.66 and 34,837.72 is: 52,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,018.68 : 210,027.66 = 34,837.72 : x
  2. Step 2: Convert to fraction form
    140,018.68/210,027.66 = 34,837.72/x
  3. Step 3: Cross multiply
    140,018.68x = 210,027.66 × 34,837.72
  4. Step 4: Simplify right side
    140,018.68x = 7,316,884,811.34
  5. Step 5: Solve for x
    x = 7,316,884,811.34/140,018.68
  6. Step 6: Final answer
    x = 52,256.49

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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.