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Finding the Fourth Proportional to 94,762.60, 130,771.52 and 52,320.20

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Solution

The fourth proportional to 94,762.60, 130,771.52 and 52,320.20 is: 72,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,762.60 : 130,771.52 = 52,320.20 : x
  2. Step 2: Convert to fraction form
    94,762.60/130,771.52 = 52,320.20/x
  3. Step 3: Cross multiply
    94,762.60x = 130,771.52 × 52,320.20
  4. Step 4: Simplify right side
    94,762.60x = 6,841,992,080.70
  5. Step 5: Solve for x
    x = 6,841,992,080.70/94,762.60
  6. Step 6: Final answer
    x = 72,201.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.