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Finding the Fourth Proportional to 201,692,925.87, 302,627,387.94 and 70,629,269.94

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Solution

The fourth proportional to 201,692,925.87, 302,627,387.94 and 70,629,269.94 is: 105,974,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,692,925.87 : 302,627,387.94 = 70,629,269.94 : x
  2. Step 2: Convert to fraction form
    201,692,925.87/302,627,387.94 = 70,629,269.94/x
  3. Step 3: Cross multiply
    201,692,925.87x = 302,627,387.94 × 70,629,269.94
  4. Step 4: Simplify right side
    201,692,925.87x = 21,374,351,473,698,212
  5. Step 5: Solve for x
    x = 21,374,351,473,698,212/201,692,925.87
  6. Step 6: Final answer
    x = 105,974,720.64

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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.