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Finding the Fourth Proportional to 166,585.58, 249,809.62 and 63,987.40

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Solution

The fourth proportional to 166,585.58, 249,809.62 and 63,987.40 is: 95,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,585.58 : 249,809.62 = 63,987.40 : x
  2. Step 2: Convert to fraction form
    166,585.58/249,809.62 = 63,987.40/x
  3. Step 3: Cross multiply
    166,585.58x = 249,809.62 × 63,987.40
  4. Step 4: Simplify right side
    166,585.58x = 15,984,666,829.74
  5. Step 5: Solve for x
    x = 15,984,666,829.74/166,585.58
  6. Step 6: Final answer
    x = 95,954.69

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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.