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Finding the Fourth Proportional to 116,233.79, 160,361.37 and 75,970.79

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Solution

The fourth proportional to 116,233.79, 160,361.37 and 75,970.79 is: 104,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,233.79 : 160,361.37 = 75,970.79 : x
  2. Step 2: Convert to fraction form
    116,233.79/160,361.37 = 75,970.79/x
  3. Step 3: Cross multiply
    116,233.79x = 160,361.37 × 75,970.79
  4. Step 4: Simplify right side
    116,233.79x = 12,182,779,312.91
  5. Step 5: Solve for x
    x = 12,182,779,312.91/116,233.79
  6. Step 6: Final answer
    x = 104,812.72

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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.