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Finding the Fourth Proportional to 97,655.66, 146,332.71 and 65,941.43

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Solution

The fourth proportional to 97,655.66, 146,332.71 and 65,941.43 is: 98,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,655.66 : 146,332.71 = 65,941.43 : x
  2. Step 2: Convert to fraction form
    97,655.66/146,332.71 = 65,941.43/x
  3. Step 3: Cross multiply
    97,655.66x = 146,332.71 × 65,941.43
  4. Step 4: Simplify right side
    97,655.66x = 9,649,387,421.51
  5. Step 5: Solve for x
    x = 9,649,387,421.51/97,655.66
  6. Step 6: Final answer
    x = 98,810.33

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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.