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Finding the Fourth Proportional to 97,952.80, 146,929.20 and 56,365.60

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Solution

The fourth proportional to 97,952.80, 146,929.20 and 56,365.60 is: 84,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,952.80 : 146,929.20 = 56,365.60 : x
  2. Step 2: Convert to fraction form
    97,952.80/146,929.20 = 56,365.60/x
  3. Step 3: Cross multiply
    97,952.80x = 146,929.20 × 56,365.60
  4. Step 4: Simplify right side
    97,952.80x = 8,281,752,515.52
  5. Step 5: Solve for x
    x = 8,281,752,515.52/97,952.80
  6. Step 6: Final answer
    x = 84,548.40

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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.