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Finding the Fourth Proportional to 93,399,805.01, 139,978,186.47 and 38,003,081.03

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Solution

The fourth proportional to 93,399,805.01, 139,978,186.47 and 38,003,081.03 is: 56,955,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399,805.01 : 139,978,186.47 = 38,003,081.03 : x
  2. Step 2: Convert to fraction form
    93,399,805.01/139,978,186.47 = 38,003,081.03/x
  3. Step 3: Cross multiply
    93,399,805.01x = 139,978,186.47 × 38,003,081.03
  4. Step 4: Simplify right side
    93,399,805.01x = 5,319,602,363,201,805
  5. Step 5: Solve for x
    x = 5,319,602,363,201,805/93,399,805.01
  6. Step 6: Final answer
    x = 56,955,176.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.