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Finding the Fourth Proportional to 306,030.59, 459,045.51 and 106,351.01

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Solution

The fourth proportional to 306,030.59, 459,045.51 and 106,351.01 is: 159,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,030.59 : 459,045.51 = 106,351.01 : x
  2. Step 2: Convert to fraction form
    306,030.59/459,045.51 = 106,351.01/x
  3. Step 3: Cross multiply
    306,030.59x = 459,045.51 × 106,351.01
  4. Step 4: Simplify right side
    306,030.59x = 48,819,953,624.47
  5. Step 5: Solve for x
    x = 48,819,953,624.47/306,030.59
  6. Step 6: Final answer
    x = 159,526.38

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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.