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Finding the Fourth Proportional to 191,701,805.60, 287,594,698.80 and 62,287,392.80

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Solution

The fourth proportional to 191,701,805.60, 287,594,698.80 and 62,287,392.80 is: 93,444,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,701,805.60 : 287,594,698.80 = 62,287,392.80 : x
  2. Step 2: Convert to fraction form
    191,701,805.60/287,594,698.80 = 62,287,392.80/x
  3. Step 3: Cross multiply
    191,701,805.60x = 287,594,698.80 × 62,287,392.80
  4. Step 4: Simplify right side
    191,701,805.60x = 17,913,523,971,353,288
  5. Step 5: Solve for x
    x = 17,913,523,971,353,288/191,701,805.60
  6. Step 6: Final answer
    x = 93,444,732.64

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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.