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Finding the Fourth Proportional to 249,735, 374,602.86 and 101,991

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Solution

The fourth proportional to 249,735, 374,602.86 and 101,991 is: 152,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,735 : 374,602.86 = 101,991 : x
  2. Step 2: Convert to fraction form
    249,735/374,602.86 = 101,991/x
  3. Step 3: Cross multiply
    249,735x = 374,602.86 × 101,991
  4. Step 4: Simplify right side
    249,735x = 38,206,120,294.26
  5. Step 5: Solve for x
    x = 38,206,120,294.26/249,735
  6. Step 6: Final answer
    x = 152,986.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.