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Finding the Fourth Proportional to 358,066.11, 537,113.75 and 147,684

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Solution

The fourth proportional to 358,066.11, 537,113.75 and 147,684 is: 221,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,066.11 : 537,113.75 = 147,684 : x
  2. Step 2: Convert to fraction form
    358,066.11/537,113.75 = 147,684/x
  3. Step 3: Cross multiply
    358,066.11x = 537,113.75 × 147,684
  4. Step 4: Simplify right side
    358,066.11x = 79,323,106,316.58
  5. Step 5: Solve for x
    x = 79,323,106,316.58/358,066.11
  6. Step 6: Final answer
    x = 221,532.01

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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.