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Finding the Fourth Proportional to 218,925.92, 302,117.63 and 118,323.92

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Solution

The fourth proportional to 218,925.92, 302,117.63 and 118,323.92 is: 163,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,925.92 : 302,117.63 = 118,323.92 : x
  2. Step 2: Convert to fraction form
    218,925.92/302,117.63 = 118,323.92/x
  3. Step 3: Cross multiply
    218,925.92x = 302,117.63 × 118,323.92
  4. Step 4: Simplify right side
    218,925.92x = 35,747,742,282.71
  5. Step 5: Solve for x
    x = 35,747,742,282.71/218,925.92
  6. Step 6: Final answer
    x = 163,286.93

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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.