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Finding the Fourth Proportional to 162,903.51, 224,812.92 and 91,280.88

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Solution

The fourth proportional to 162,903.51, 224,812.92 and 91,280.88 is: 125,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,903.51 : 224,812.92 = 91,280.88 : x
  2. Step 2: Convert to fraction form
    162,903.51/224,812.92 = 91,280.88/x
  3. Step 3: Cross multiply
    162,903.51x = 224,812.92 × 91,280.88
  4. Step 4: Simplify right side
    162,903.51x = 20,521,121,172.97
  5. Step 5: Solve for x
    x = 20,521,121,172.97/162,903.51
  6. Step 6: Final answer
    x = 125,971.02

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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.