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Finding the Fourth Proportional to 190,277.50, 262,582.95 and 105,400.06

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Solution

The fourth proportional to 190,277.50, 262,582.95 and 105,400.06 is: 145,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,277.50 : 262,582.95 = 105,400.06 : x
  2. Step 2: Convert to fraction form
    190,277.50/262,582.95 = 105,400.06/x
  3. Step 3: Cross multiply
    190,277.50x = 262,582.95 × 105,400.06
  4. Step 4: Simplify right side
    190,277.50x = 27,676,258,684.98
  5. Step 5: Solve for x
    x = 27,676,258,684.98/190,277.50
  6. Step 6: Final answer
    x = 145,452.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.