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Finding the Fourth Proportional to 157,173.92, 216,903.12 and 123,223.04

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Solution

The fourth proportional to 157,173.92, 216,903.12 and 123,223.04 is: 170,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173.92 : 216,903.12 = 123,223.04 : x
  2. Step 2: Convert to fraction form
    157,173.92/216,903.12 = 123,223.04/x
  3. Step 3: Cross multiply
    157,173.92x = 216,903.12 × 123,223.04
  4. Step 4: Simplify right side
    157,173.92x = 26,727,461,831.88
  5. Step 5: Solve for x
    x = 26,727,461,831.88/157,173.92
  6. Step 6: Final answer
    x = 170,050.23

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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.