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Finding the Fourth Proportional to 118,044.77, 162,897.65 and 64,328.69

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Solution

The fourth proportional to 118,044.77, 162,897.65 and 64,328.69 is: 88,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,044.77 : 162,897.65 = 64,328.69 : x
  2. Step 2: Convert to fraction form
    118,044.77/162,897.65 = 64,328.69/x
  3. Step 3: Cross multiply
    118,044.77x = 162,897.65 × 64,328.69
  4. Step 4: Simplify right side
    118,044.77x = 10,478,992,106.94
  5. Step 5: Solve for x
    x = 10,478,992,106.94/118,044.77
  6. Step 6: Final answer
    x = 88,771.34

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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.