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Finding the Fourth Proportional to 93,775.34, 129,400.34 and 53,486.06

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Solution

The fourth proportional to 93,775.34, 129,400.34 and 53,486.06 is: 73,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,775.34 : 129,400.34 = 53,486.06 : x
  2. Step 2: Convert to fraction form
    93,775.34/129,400.34 = 53,486.06/x
  3. Step 3: Cross multiply
    93,775.34x = 129,400.34 × 53,486.06
  4. Step 4: Simplify right side
    93,775.34x = 6,921,114,349.26
  5. Step 5: Solve for x
    x = 6,921,114,349.26/93,775.34
  6. Step 6: Final answer
    x = 73,805.27

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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.