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Finding the Fourth Proportional to 229,476.06, 316,792.08 and 143,482.86

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Solution

The fourth proportional to 229,476.06, 316,792.08 and 143,482.86 is: 198,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,476.06 : 316,792.08 = 143,482.86 : x
  2. Step 2: Convert to fraction form
    229,476.06/316,792.08 = 143,482.86/x
  3. Step 3: Cross multiply
    229,476.06x = 316,792.08 × 143,482.86
  4. Step 4: Simplify right side
    229,476.06x = 45,454,233,663.75
  5. Step 5: Solve for x
    x = 45,454,233,663.75/229,476.06
  6. Step 6: Final answer
    x = 198,078.33

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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.