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Finding the Fourth Proportional to 110,457, 152,430.66 and 60,156

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Solution

The fourth proportional to 110,457, 152,430.66 and 60,156 is: 83,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,457 : 152,430.66 = 60,156 : x
  2. Step 2: Convert to fraction form
    110,457/152,430.66 = 60,156/x
  3. Step 3: Cross multiply
    110,457x = 152,430.66 × 60,156
  4. Step 4: Simplify right side
    110,457x = 9,169,618,782.96
  5. Step 5: Solve for x
    x = 9,169,618,782.96/110,457
  6. Step 6: Final answer
    x = 83,015.28

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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.