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Finding the Fourth Proportional to 94,446, 130,362.95 and 75,457.98

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Solution

The fourth proportional to 94,446, 130,362.95 and 75,457.98 is: 104,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,446 : 130,362.95 = 75,457.98 : x
  2. Step 2: Convert to fraction form
    94,446/130,362.95 = 75,457.98/x
  3. Step 3: Cross multiply
    94,446x = 130,362.95 × 75,457.98
  4. Step 4: Simplify right side
    94,446x = 9,836,925,062.49
  5. Step 5: Solve for x
    x = 9,836,925,062.49/94,446
  6. Step 6: Final answer
    x = 104,153.96

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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.