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Finding the Fourth Proportional to 176,740.99, 264,939.99 and 70,090

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Solution

The fourth proportional to 176,740.99, 264,939.99 and 70,090 is: 105,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,740.99 : 264,939.99 = 70,090 : x
  2. Step 2: Convert to fraction form
    176,740.99/264,939.99 = 70,090/x
  3. Step 3: Cross multiply
    176,740.99x = 264,939.99 × 70,090
  4. Step 4: Simplify right side
    176,740.99x = 18,569,643,899.10
  5. Step 5: Solve for x
    x = 18,569,643,899.10/176,740.99
  6. Step 6: Final answer
    x = 105,066.99

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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.