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Finding the Fourth Proportional to 162,943,816.91, 224,866,729.04 and 88,608,725.02

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Solution

The fourth proportional to 162,943,816.91, 224,866,729.04 and 88,608,725.02 is: 122,282,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,943,816.91 : 224,866,729.04 = 88,608,725.02 : x
  2. Step 2: Convert to fraction form
    162,943,816.91/224,866,729.04 = 88,608,725.02/x
  3. Step 3: Cross multiply
    162,943,816.91x = 224,866,729.04 × 88,608,725.02
  4. Step 4: Simplify right side
    162,943,816.91x = 19,925,154,159,652,208
  5. Step 5: Solve for x
    x = 19,925,154,159,652,208/162,943,816.91
  6. Step 6: Final answer
    x = 122,282,358.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.