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Finding the Fourth Proportional to 308,501.65, 462,762.72 and 106,095.76

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Solution

The fourth proportional to 308,501.65, 462,762.72 and 106,095.76 is: 159,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,501.65 : 462,762.72 = 106,095.76 : x
  2. Step 2: Convert to fraction form
    308,501.65/462,762.72 = 106,095.76/x
  3. Step 3: Cross multiply
    308,501.65x = 462,762.72 × 106,095.76
  4. Step 4: Simplify right side
    308,501.65x = 49,097,162,478.07
  5. Step 5: Solve for x
    x = 49,097,162,478.07/308,501.65
  6. Step 6: Final answer
    x = 159,147.16

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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.