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Finding the Fourth Proportional to 93,175,409.80, 139,763,114.70 and 87,506,705.80

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Solution

The fourth proportional to 93,175,409.80, 139,763,114.70 and 87,506,705.80 is: 131,260,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175,409.80 : 139,763,114.70 = 87,506,705.80 : x
  2. Step 2: Convert to fraction form
    93,175,409.80/139,763,114.70 = 87,506,705.80/x
  3. Step 3: Cross multiply
    93,175,409.80x = 139,763,114.70 × 87,506,705.80
  4. Step 4: Simplify right side
    93,175,409.80x = 12,230,209,759,744,554
  5. Step 5: Solve for x
    x = 12,230,209,759,744,554/93,175,409.80
  6. Step 6: Final answer
    x = 131,260,058.70

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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.