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Finding the Fourth Proportional to 615,323.66, 922,941.75 and 166,070.12

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Solution

The fourth proportional to 615,323.66, 922,941.75 and 166,070.12 is: 249,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,323.66 : 922,941.75 = 166,070.12 : x
  2. Step 2: Convert to fraction form
    615,323.66/922,941.75 = 166,070.12/x
  3. Step 3: Cross multiply
    615,323.66x = 922,941.75 × 166,070.12
  4. Step 4: Simplify right side
    615,323.66x = 153,273,049,482.86
  5. Step 5: Solve for x
    x = 153,273,049,482.86/615,323.66
  6. Step 6: Final answer
    x = 249,093.38

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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.