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Finding the Fourth Proportional to 134,641,168.02, 201,756,223.71 and 79,946,045.46

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Solution

The fourth proportional to 134,641,168.02, 201,756,223.71 and 79,946,045.46 is: 119,797,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,641,168.02 : 201,756,223.71 = 79,946,045.46 : x
  2. Step 2: Convert to fraction form
    134,641,168.02/201,756,223.71 = 79,946,045.46/x
  3. Step 3: Cross multiply
    134,641,168.02x = 201,756,223.71 × 79,946,045.46
  4. Step 4: Simplify right side
    134,641,168.02x = 16,129,612,232,557,590
  5. Step 5: Solve for x
    x = 16,129,612,232,557,590/134,641,168.02
  6. Step 6: Final answer
    x = 119,797,031.40

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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.