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Finding the Fourth Proportional to 160,457.34, 221,432.87 and 88,838.54

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Solution

The fourth proportional to 160,457.34, 221,432.87 and 88,838.54 is: 122,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,457.34 : 221,432.87 = 88,838.54 : x
  2. Step 2: Convert to fraction form
    160,457.34/221,432.87 = 88,838.54/x
  3. Step 3: Cross multiply
    160,457.34x = 221,432.87 × 88,838.54
  4. Step 4: Simplify right side
    160,457.34x = 19,671,772,878.81
  5. Step 5: Solve for x
    x = 19,671,772,878.81/160,457.34
  6. Step 6: Final answer
    x = 122,598.15

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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.