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Finding the Fourth Proportional to 162,505.65, 224,238.13 and 89,903.64

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Solution

The fourth proportional to 162,505.65, 224,238.13 and 89,903.64 is: 124,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,505.65 : 224,238.13 = 89,903.64 : x
  2. Step 2: Convert to fraction form
    162,505.65/224,238.13 = 89,903.64/x
  3. Step 3: Cross multiply
    162,505.65x = 224,238.13 × 89,903.64
  4. Step 4: Simplify right side
    162,505.65x = 20,159,824,113.79
  5. Step 5: Solve for x
    x = 20,159,824,113.79/162,505.65
  6. Step 6: Final answer
    x = 124,056.14

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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.