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Finding the Fourth Proportional to 245,897.53, 368,587.85 and 112,668.22

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Solution

The fourth proportional to 245,897.53, 368,587.85 and 112,668.22 is: 168,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,897.53 : 368,587.85 = 112,668.22 : x
  2. Step 2: Convert to fraction form
    245,897.53/368,587.85 = 112,668.22/x
  3. Step 3: Cross multiply
    245,897.53x = 368,587.85 × 112,668.22
  4. Step 4: Simplify right side
    245,897.53x = 41,528,137,504.28
  5. Step 5: Solve for x
    x = 41,528,137,504.28/245,897.53
  6. Step 6: Final answer
    x = 168,883.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.