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Finding the Fourth Proportional to 176,467.36, 243,530.40 and 101,040.16

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Solution

The fourth proportional to 176,467.36, 243,530.40 and 101,040.16 is: 139,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,467.36 : 243,530.40 = 101,040.16 : x
  2. Step 2: Convert to fraction form
    176,467.36/243,530.40 = 101,040.16/x
  3. Step 3: Cross multiply
    176,467.36x = 243,530.40 × 101,040.16
  4. Step 4: Simplify right side
    176,467.36x = 24,606,350,580.86
  5. Step 5: Solve for x
    x = 24,606,350,580.86/176,467.36
  6. Step 6: Final answer
    x = 139,438.54

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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.