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Finding the Fourth Proportional to 127,323, 191,005.08 and 43,088.28

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Solution

The fourth proportional to 127,323, 191,005.08 and 43,088.28 is: 64,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,323 : 191,005.08 = 43,088.28 : x
  2. Step 2: Convert to fraction form
    127,323/191,005.08 = 43,088.28/x
  3. Step 3: Cross multiply
    127,323x = 191,005.08 × 43,088.28
  4. Step 4: Simplify right side
    127,323x = 8,230,080,368.46
  5. Step 5: Solve for x
    x = 8,230,080,368.46/127,323
  6. Step 6: Final answer
    x = 64,639.38

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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.