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Finding the Fourth Proportional to 357,467.64, 536,275.08 and 104,756.40

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Solution

The fourth proportional to 357,467.64, 536,275.08 and 104,756.40 is: 157,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,467.64 : 536,275.08 = 104,756.40 : x
  2. Step 2: Convert to fraction form
    357,467.64/536,275.08 = 104,756.40/x
  3. Step 3: Cross multiply
    357,467.64x = 536,275.08 × 104,756.40
  4. Step 4: Simplify right side
    357,467.64x = 56,178,246,790.51
  5. Step 5: Solve for x
    x = 56,178,246,790.51/357,467.64
  6. Step 6: Final answer
    x = 157,156.17

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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.