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Finding the Fourth Proportional to 74,886,667.40, 112,330,001.10 and 74,886,667.40

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Solution

The fourth proportional to 74,886,667.40, 112,330,001.10 and 74,886,667.40 is: 112,330,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,667.40 : 112,330,001.10 = 74,886,667.40 : x
  2. Step 2: Convert to fraction form
    74,886,667.40/112,330,001.10 = 74,886,667.40/x
  3. Step 3: Cross multiply
    74,886,667.40x = 112,330,001.10 × 74,886,667.40
  4. Step 4: Simplify right side
    74,886,667.40x = 8,412,019,431,417,334
  5. Step 5: Solve for x
    x = 8,412,019,431,417,334/74,886,667.40
  6. Step 6: Final answer
    x = 112,330,001.10

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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.