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Finding the Fourth Proportional to 97,119,653.40, 145,679,480.10 and 97,119,653.40

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Solution

The fourth proportional to 97,119,653.40, 145,679,480.10 and 97,119,653.40 is: 145,679,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,119,653.40 : 145,679,480.10 = 97,119,653.40 : x
  2. Step 2: Convert to fraction form
    97,119,653.40/145,679,480.10 = 97,119,653.40/x
  3. Step 3: Cross multiply
    97,119,653.40x = 145,679,480.10 × 97,119,653.40
  4. Step 4: Simplify right side
    97,119,653.40x = 14,148,340,614,804,198
  5. Step 5: Solve for x
    x = 14,148,340,614,804,198/97,119,653.40
  6. Step 6: Final answer
    x = 145,679,480.10

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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.