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Finding the Fourth Proportional to 60,148.64, 90,223.28 and 15,774.96

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Solution

The fourth proportional to 60,148.64, 90,223.28 and 15,774.96 is: 23,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,148.64 : 90,223.28 = 15,774.96 : x
  2. Step 2: Convert to fraction form
    60,148.64/90,223.28 = 15,774.96/x
  3. Step 3: Cross multiply
    60,148.64x = 90,223.28 × 15,774.96
  4. Step 4: Simplify right side
    60,148.64x = 1,423,268,633.07
  5. Step 5: Solve for x
    x = 1,423,268,633.07/60,148.64
  6. Step 6: Final answer
    x = 23,662.52

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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.