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Finding the Fourth Proportional to 181,457.50, 250,411.35 and 101,969.50

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Solution

The fourth proportional to 181,457.50, 250,411.35 and 101,969.50 is: 140,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,457.50 : 250,411.35 = 101,969.50 : x
  2. Step 2: Convert to fraction form
    181,457.50/250,411.35 = 101,969.50/x
  3. Step 3: Cross multiply
    181,457.50x = 250,411.35 × 101,969.50
  4. Step 4: Simplify right side
    181,457.50x = 25,534,320,153.83
  5. Step 5: Solve for x
    x = 25,534,320,153.83/181,457.50
  6. Step 6: Final answer
    x = 140,717.91

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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.