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Finding the Fourth Proportional to 127,703.76, 176,223.72 and 93,854.40

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Solution

The fourth proportional to 127,703.76, 176,223.72 and 93,854.40 is: 129,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,703.76 : 176,223.72 = 93,854.40 : x
  2. Step 2: Convert to fraction form
    127,703.76/176,223.72 = 93,854.40/x
  3. Step 3: Cross multiply
    127,703.76x = 176,223.72 × 93,854.40
  4. Step 4: Simplify right side
    127,703.76x = 16,539,371,506.37
  5. Step 5: Solve for x
    x = 16,539,371,506.37/127,703.76
  6. Step 6: Final answer
    x = 129,513.58

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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.