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Finding the Fourth Proportional to 70,362.88, 97,095.72 and 38,526.64

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Solution

The fourth proportional to 70,362.88, 97,095.72 and 38,526.64 is: 53,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,362.88 : 97,095.72 = 38,526.64 : x
  2. Step 2: Convert to fraction form
    70,362.88/97,095.72 = 38,526.64/x
  3. Step 3: Cross multiply
    70,362.88x = 97,095.72 × 38,526.64
  4. Step 4: Simplify right side
    70,362.88x = 3,740,771,849.98
  5. Step 5: Solve for x
    x = 3,740,771,849.98/70,362.88
  6. Step 6: Final answer
    x = 53,164.00

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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.