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Finding the Fourth Proportional to 93,153.62, 128,555.53 and 52,869.08

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Solution

The fourth proportional to 93,153.62, 128,555.53 and 52,869.08 is: 72,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.62 : 128,555.53 = 52,869.08 : x
  2. Step 2: Convert to fraction form
    93,153.62/128,555.53 = 52,869.08/x
  3. Step 3: Cross multiply
    93,153.62x = 128,555.53 × 52,869.08
  4. Step 4: Simplify right side
    93,153.62x = 6,796,612,600.01
  5. Step 5: Solve for x
    x = 6,796,612,600.01/93,153.62
  6. Step 6: Final answer
    x = 72,961.34

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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.