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Finding the Fourth Proportional to 118,070,168.80, 177,179,902.80 and 69,547,928.80

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Solution

The fourth proportional to 118,070,168.80, 177,179,902.80 and 69,547,928.80 is: 104,365,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,070,168.80 : 177,179,902.80 = 69,547,928.80 : x
  2. Step 2: Convert to fraction form
    118,070,168.80/177,179,902.80 = 69,547,928.80/x
  3. Step 3: Cross multiply
    118,070,168.80x = 177,179,902.80 × 69,547,928.80
  4. Step 4: Simplify right side
    118,070,168.80x = 12,322,495,264,725,320
  5. Step 5: Solve for x
    x = 12,322,495,264,725,320/118,070,168.80
  6. Step 6: Final answer
    x = 104,365,864.72

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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.