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Finding the Fourth Proportional to 72,578,467.60, 108,867,701.40 and 24,709,411.60

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Solution

The fourth proportional to 72,578,467.60, 108,867,701.40 and 24,709,411.60 is: 37,064,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578,467.60 : 108,867,701.40 = 24,709,411.60 : x
  2. Step 2: Convert to fraction form
    72,578,467.60/108,867,701.40 = 24,709,411.60/x
  3. Step 3: Cross multiply
    72,578,467.60x = 108,867,701.40 × 24,709,411.60
  4. Step 4: Simplify right side
    72,578,467.60x = 2,690,056,843,838,496.50
  5. Step 5: Solve for x
    x = 2,690,056,843,838,496.50/72,578,467.60
  6. Step 6: Final answer
    x = 37,064,117.40

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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.