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Finding the Fourth Proportional to 93,312,295.80, 139,949,781.30 and 44,790,055.80

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Solution

The fourth proportional to 93,312,295.80, 139,949,781.30 and 44,790,055.80 is: 67,176,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,295.80 : 139,949,781.30 = 44,790,055.80 : x
  2. Step 2: Convert to fraction form
    93,312,295.80/139,949,781.30 = 44,790,055.80/x
  3. Step 3: Cross multiply
    93,312,295.80x = 139,949,781.30 × 44,790,055.80
  4. Step 4: Simplify right side
    93,312,295.80x = 6,268,358,513,624,797
  5. Step 5: Solve for x
    x = 6,268,358,513,624,797/93,312,295.80
  6. Step 6: Final answer
    x = 67,176,125.72

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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.