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Finding the Fourth Proportional to 60,692,959.80, 91,007,946.90 and 22,334,729.40

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Solution

The fourth proportional to 60,692,959.80, 91,007,946.90 and 22,334,729.40 is: 33,490,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,692,959.80 : 91,007,946.90 = 22,334,729.40 : x
  2. Step 2: Convert to fraction form
    60,692,959.80/91,007,946.90 = 22,334,729.40/x
  3. Step 3: Cross multiply
    60,692,959.80x = 91,007,946.90 × 22,334,729.40
  4. Step 4: Simplify right side
    60,692,959.80x = 2,032,637,867,261,068.75
  5. Step 5: Solve for x
    x = 2,032,637,867,261,068.75/60,692,959.80
  6. Step 6: Final answer
    x = 33,490,504.89

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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.