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Finding the Fourth Proportional to 153,861.39, 230,617.13 and 65,059.47

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Solution

The fourth proportional to 153,861.39, 230,617.13 and 65,059.47 is: 97,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,861.39 : 230,617.13 = 65,059.47 : x
  2. Step 2: Convert to fraction form
    153,861.39/230,617.13 = 65,059.47/x
  3. Step 3: Cross multiply
    153,861.39x = 230,617.13 × 65,059.47
  4. Step 4: Simplify right side
    153,861.39x = 15,003,827,925.42
  5. Step 5: Solve for x
    x = 15,003,827,925.42/153,861.39
  6. Step 6: Final answer
    x = 97,515.22

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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.