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Finding the Fourth Proportional to 202,518.72, 279,476.64 and 113,094.72

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Solution

The fourth proportional to 202,518.72, 279,476.64 and 113,094.72 is: 156,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,518.72 : 279,476.64 = 113,094.72 : x
  2. Step 2: Convert to fraction form
    202,518.72/279,476.64 = 113,094.72/x
  3. Step 3: Cross multiply
    202,518.72x = 279,476.64 × 113,094.72
  4. Step 4: Simplify right side
    202,518.72x = 31,607,332,347.34
  5. Step 5: Solve for x
    x = 31,607,332,347.34/202,518.72
  6. Step 6: Final answer
    x = 156,071.16

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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.