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Finding the Fourth Proportional to 176,699.48, 243,812.23 and 105,097.10

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Solution

The fourth proportional to 176,699.48, 243,812.23 and 105,097.10 is: 145,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,699.48 : 243,812.23 = 105,097.10 : x
  2. Step 2: Convert to fraction form
    176,699.48/243,812.23 = 105,097.10/x
  3. Step 3: Cross multiply
    176,699.48x = 243,812.23 × 105,097.10
  4. Step 4: Simplify right side
    176,699.48x = 25,623,956,835.73
  5. Step 5: Solve for x
    x = 25,623,956,835.73/176,699.48
  6. Step 6: Final answer
    x = 145,014.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.