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Finding the Fourth Proportional to 249,999.40, 375,118.47 and 116,860.31

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Solution

The fourth proportional to 249,999.40, 375,118.47 and 116,860.31 is: 175,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,999.40 : 375,118.47 = 116,860.31 : x
  2. Step 2: Convert to fraction form
    249,999.40/375,118.47 = 116,860.31/x
  3. Step 3: Cross multiply
    249,999.40x = 375,118.47 × 116,860.31
  4. Step 4: Simplify right side
    249,999.40x = 43,836,460,690.93
  5. Step 5: Solve for x
    x = 43,836,460,690.93/249,999.40
  6. Step 6: Final answer
    x = 175,346.26

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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.