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Finding the Fourth Proportional to 127,031.63, 190,547.44 and 43,925.63

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Solution

The fourth proportional to 127,031.63, 190,547.44 and 43,925.63 is: 65,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,031.63 : 190,547.44 = 43,925.63 : x
  2. Step 2: Convert to fraction form
    127,031.63/190,547.44 = 43,925.63/x
  3. Step 3: Cross multiply
    127,031.63x = 190,547.44 × 43,925.63
  4. Step 4: Simplify right side
    127,031.63x = 8,369,915,284.34
  5. Step 5: Solve for x
    x = 8,369,915,284.34/127,031.63
  6. Step 6: Final answer
    x = 65,888.44

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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.