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Finding the Fourth Proportional to 163,426.88, 225,332.88 and 118,032.32

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Solution

The fourth proportional to 163,426.88, 225,332.88 and 118,032.32 is: 162,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,426.88 : 225,332.88 = 118,032.32 : x
  2. Step 2: Convert to fraction form
    163,426.88/225,332.88 = 118,032.32/x
  3. Step 3: Cross multiply
    163,426.88x = 225,332.88 × 118,032.32
  4. Step 4: Simplify right side
    163,426.88x = 26,596,562,598.68
  5. Step 5: Solve for x
    x = 26,596,562,598.68/163,426.88
  6. Step 6: Final answer
    x = 162,742.89

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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.