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Finding the Fourth Proportional to 155,580.54, 233,461.35 and 65,617.62

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Solution

The fourth proportional to 155,580.54, 233,461.35 and 65,617.62 is: 98,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,580.54 : 233,461.35 = 65,617.62 : x
  2. Step 2: Convert to fraction form
    155,580.54/233,461.35 = 65,617.62/x
  3. Step 3: Cross multiply
    155,580.54x = 233,461.35 × 65,617.62
  4. Step 4: Simplify right side
    155,580.54x = 15,319,178,148.99
  5. Step 5: Solve for x
    x = 15,319,178,148.99/155,580.54
  6. Step 6: Final answer
    x = 98,464.62

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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.