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Finding the Fourth Proportional to 93,312,079.60, 139,968,119.40 and 29,486,671.60

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Solution

The fourth proportional to 93,312,079.60, 139,968,119.40 and 29,486,671.60 is: 44,230,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,079.60 : 139,968,119.40 = 29,486,671.60 : x
  2. Step 2: Convert to fraction form
    93,312,079.60/139,968,119.40 = 29,486,671.60/x
  3. Step 3: Cross multiply
    93,312,079.60x = 139,968,119.40 × 29,486,671.60
  4. Step 4: Simplify right side
    93,312,079.60x = 4,127,193,971,217,389.50
  5. Step 5: Solve for x
    x = 4,127,193,971,217,389.50/93,312,079.60
  6. Step 6: Final answer
    x = 44,230,007.40

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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.