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Finding the Fourth Proportional to 93,011.90, 139,510.35 and 29,815.09

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Solution

The fourth proportional to 93,011.90, 139,510.35 and 29,815.09 is: 44,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.90 : 139,510.35 = 29,815.09 : x
  2. Step 2: Convert to fraction form
    93,011.90/139,510.35 = 29,815.09/x
  3. Step 3: Cross multiply
    93,011.90x = 139,510.35 × 29,815.09
  4. Step 4: Simplify right side
    93,011.90x = 4,159,513,292.41
  5. Step 5: Solve for x
    x = 4,159,513,292.41/93,011.90
  6. Step 6: Final answer
    x = 44,720.23

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1.5x scale

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.