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Finding the Fourth Proportional to 161,223.96, 241,831.80 and 42,896.30

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Solution

The fourth proportional to 161,223.96, 241,831.80 and 42,896.30 is: 64,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,223.96 : 241,831.80 = 42,896.30 : x
  2. Step 2: Convert to fraction form
    161,223.96/241,831.80 = 42,896.30/x
  3. Step 3: Cross multiply
    161,223.96x = 241,831.80 × 42,896.30
  4. Step 4: Simplify right side
    161,223.96x = 10,373,689,442.34
  5. Step 5: Solve for x
    x = 10,373,689,442.34/161,223.96
  6. Step 6: Final answer
    x = 64,343.35

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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.