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Finding the Fourth Proportional to 118,465.94, 163,482.60 and 64,750.93

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Solution

The fourth proportional to 118,465.94, 163,482.60 and 64,750.93 is: 89,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,465.94 : 163,482.60 = 64,750.93 : x
  2. Step 2: Convert to fraction form
    118,465.94/163,482.60 = 64,750.93/x
  3. Step 3: Cross multiply
    118,465.94x = 163,482.60 × 64,750.93
  4. Step 4: Simplify right side
    118,465.94x = 10,585,650,222.93
  5. Step 5: Solve for x
    x = 10,585,650,222.93/118,465.94
  6. Step 6: Final answer
    x = 89,356.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.