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Finding the Fourth Proportional to 97,681.80, 146,522.70 and 23,809.80

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Solution

The fourth proportional to 97,681.80, 146,522.70 and 23,809.80 is: 35,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,681.80 : 146,522.70 = 23,809.80 : x
  2. Step 2: Convert to fraction form
    97,681.80/146,522.70 = 23,809.80/x
  3. Step 3: Cross multiply
    97,681.80x = 146,522.70 × 23,809.80
  4. Step 4: Simplify right side
    97,681.80x = 3,488,676,182.46
  5. Step 5: Solve for x
    x = 3,488,676,182.46/97,681.80
  6. Step 6: Final answer
    x = 35,714.70

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1.5x scale

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.