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Finding the Fourth Proportional to 160,580.64, 221,602.80 and 88,962.16

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Solution

The fourth proportional to 160,580.64, 221,602.80 and 88,962.16 is: 122,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,580.64 : 221,602.80 = 88,962.16 : x
  2. Step 2: Convert to fraction form
    160,580.64/221,602.80 = 88,962.16/x
  3. Step 3: Cross multiply
    160,580.64x = 221,602.80 × 88,962.16
  4. Step 4: Simplify right side
    160,580.64x = 19,714,263,750.05
  5. Step 5: Solve for x
    x = 19,714,263,750.05/160,580.64
  6. Step 6: Final answer
    x = 122,768.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.