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Finding the Fourth Proportional to 249,782.90, 374,797.37 and 116,643.81

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Solution

The fourth proportional to 249,782.90, 374,797.37 and 116,643.81 is: 175,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,782.90 : 374,797.37 = 116,643.81 : x
  2. Step 2: Convert to fraction form
    249,782.90/374,797.37 = 116,643.81/x
  3. Step 3: Cross multiply
    249,782.90x = 374,797.37 × 116,643.81
  4. Step 4: Simplify right side
    249,782.90x = 43,717,792,475.58
  5. Step 5: Solve for x
    x = 43,717,792,475.58/249,782.90
  6. Step 6: Final answer
    x = 175,023.16

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Why These Related Problems?

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