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Finding the Fourth Proportional to 160,457.58, 221,433.21 and 88,838.88

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Solution

The fourth proportional to 160,457.58, 221,433.21 and 88,838.88 is: 122,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,457.58 : 221,433.21 = 88,838.88 : x
  2. Step 2: Convert to fraction form
    160,457.58/221,433.21 = 88,838.88/x
  3. Step 3: Cross multiply
    160,457.58x = 221,433.21 × 88,838.88
  4. Step 4: Simplify right side
    160,457.58x = 19,671,878,371.20
  5. Step 5: Solve for x
    x = 19,671,878,371.20/160,457.58
  6. Step 6: Final answer
    x = 122,598.62

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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.