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Finding the Fourth Proportional to 118,332.30, 163,206.26 and 75,894.06

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Solution

The fourth proportional to 118,332.30, 163,206.26 and 75,894.06 is: 104,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.30 : 163,206.26 = 75,894.06 : x
  2. Step 2: Convert to fraction form
    118,332.30/163,206.26 = 75,894.06/x
  3. Step 3: Cross multiply
    118,332.30x = 163,206.26 × 75,894.06
  4. Step 4: Simplify right side
    118,332.30x = 12,386,385,688.82
  5. Step 5: Solve for x
    x = 12,386,385,688.82/118,332.30
  6. Step 6: Final answer
    x = 104,674.60

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1.5x scale

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.