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Finding the Fourth Proportional to 153,792.64, 230,688.96 and 60,342.40

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Solution

The fourth proportional to 153,792.64, 230,688.96 and 60,342.40 is: 90,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,792.64 : 230,688.96 = 60,342.40 : x
  2. Step 2: Convert to fraction form
    153,792.64/230,688.96 = 60,342.40/x
  3. Step 3: Cross multiply
    153,792.64x = 230,688.96 × 60,342.40
  4. Step 4: Simplify right side
    153,792.64x = 13,920,325,499.90
  5. Step 5: Solve for x
    x = 13,920,325,499.90/153,792.64
  6. Step 6: Final answer
    x = 90,513.60

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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.