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Finding the Fourth Proportional to 59,784,671.60, 89,677,007.40 and 59,217,801.20

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Solution

The fourth proportional to 59,784,671.60, 89,677,007.40 and 59,217,801.20 is: 88,826,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,784,671.60 : 89,677,007.40 = 59,217,801.20 : x
  2. Step 2: Convert to fraction form
    59,784,671.60/89,677,007.40 = 59,217,801.20/x
  3. Step 3: Cross multiply
    59,784,671.60x = 89,677,007.40 × 59,217,801.20
  4. Step 4: Simplify right side
    59,784,671.60x = 5,310,475,196,424,130
  5. Step 5: Solve for x
    x = 5,310,475,196,424,130/59,784,671.60
  6. Step 6: Final answer
    x = 88,826,701.80

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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.