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Finding the Fourth Proportional to 94,637.52, 130,614.80 and 56,911.77

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Solution

The fourth proportional to 94,637.52, 130,614.80 and 56,911.77 is: 78,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,637.52 : 130,614.80 = 56,911.77 : x
  2. Step 2: Convert to fraction form
    94,637.52/130,614.80 = 56,911.77/x
  3. Step 3: Cross multiply
    94,637.52x = 130,614.80 × 56,911.77
  4. Step 4: Simplify right side
    94,637.52x = 7,433,519,171.64
  5. Step 5: Solve for x
    x = 7,433,519,171.64/94,637.52
  6. Step 6: Final answer
    x = 78,547.27

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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.