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Finding the Fourth Proportional to 242,880.01, 364,319.68 and 65,387.21

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Solution

The fourth proportional to 242,880.01, 364,319.68 and 65,387.21 is: 98,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,880.01 : 364,319.68 = 65,387.21 : x
  2. Step 2: Convert to fraction form
    242,880.01/364,319.68 = 65,387.21/x
  3. Step 3: Cross multiply
    242,880.01x = 364,319.68 × 65,387.21
  4. Step 4: Simplify right side
    242,880.01x = 23,821,847,423.29
  5. Step 5: Solve for x
    x = 23,821,847,423.29/242,880.01
  6. Step 6: Final answer
    x = 98,080.72

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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.