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Finding the Fourth Proportional to 93,114.18, 128,627.14 and 89,657.64

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Solution

The fourth proportional to 93,114.18, 128,627.14 and 89,657.64 is: 123,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,114.18 : 128,627.14 = 89,657.64 : x
  2. Step 2: Convert to fraction form
    93,114.18/128,627.14 = 89,657.64/x
  3. Step 3: Cross multiply
    93,114.18x = 128,627.14 × 89,657.64
  4. Step 4: Simplify right side
    93,114.18x = 11,532,405,812.35
  5. Step 5: Solve for x
    x = 11,532,405,812.35/93,114.18
  6. Step 6: Final answer
    x = 123,852.30

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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.