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Finding the Fourth Proportional to 162,485.64, 224,219.88 and 89,886.60

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Solution

The fourth proportional to 162,485.64, 224,219.88 and 89,886.60 is: 124,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,485.64 : 224,219.88 = 89,886.60 : x
  2. Step 2: Convert to fraction form
    162,485.64/224,219.88 = 89,886.60/x
  3. Step 3: Cross multiply
    162,485.64x = 224,219.88 × 89,886.60
  4. Step 4: Simplify right side
    162,485.64x = 20,154,362,665.61
  5. Step 5: Solve for x
    x = 20,154,362,665.61/162,485.64
  6. Step 6: Final answer
    x = 124,037.81

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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.