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Finding the Fourth Proportional to 127,166.48, 175,483.48 and 69,804.40

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Solution

The fourth proportional to 127,166.48, 175,483.48 and 69,804.40 is: 96,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,166.48 : 175,483.48 = 69,804.40 : x
  2. Step 2: Convert to fraction form
    127,166.48/175,483.48 = 69,804.40/x
  3. Step 3: Cross multiply
    127,166.48x = 175,483.48 × 69,804.40
  4. Step 4: Simplify right side
    127,166.48x = 12,249,519,031.31
  5. Step 5: Solve for x
    x = 12,249,519,031.31/127,166.48
  6. Step 6: Final answer
    x = 96,326.63

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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.