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Finding the Fourth Proportional to 97,168,322.80, 145,754,039.40 and 25,364,738.80

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Solution

The fourth proportional to 97,168,322.80, 145,754,039.40 and 25,364,738.80 is: 38,047,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,168,322.80 : 145,754,039.40 = 25,364,738.80 : x
  2. Step 2: Convert to fraction form
    97,168,322.80/145,754,039.40 = 25,364,738.80/x
  3. Step 3: Cross multiply
    97,168,322.80x = 145,754,039.40 × 25,364,738.80
  4. Step 4: Simplify right side
    97,168,322.80x = 3,697,013,138,425,909
  5. Step 5: Solve for x
    x = 3,697,013,138,425,909/97,168,322.80
  6. Step 6: Final answer
    x = 38,047,514.17

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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.