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Finding the Fourth Proportional to 249,681.60, 374,522.40 and 165,700.80

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Solution

The fourth proportional to 249,681.60, 374,522.40 and 165,700.80 is: 248,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,681.60 : 374,522.40 = 165,700.80 : x
  2. Step 2: Convert to fraction form
    249,681.60/374,522.40 = 165,700.80/x
  3. Step 3: Cross multiply
    249,681.60x = 374,522.40 × 165,700.80
  4. Step 4: Simplify right side
    249,681.60x = 62,058,661,297.92
  5. Step 5: Solve for x
    x = 62,058,661,297.92/249,681.60
  6. Step 6: Final answer
    x = 248,551.20

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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.