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Finding the Fourth Proportional to 93,347.51, 128,814.48 and 53,055.68

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Solution

The fourth proportional to 93,347.51, 128,814.48 and 53,055.68 is: 73,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,347.51 : 128,814.48 = 53,055.68 : x
  2. Step 2: Convert to fraction form
    93,347.51/128,814.48 = 53,055.68/x
  3. Step 3: Cross multiply
    93,347.51x = 128,814.48 × 53,055.68
  4. Step 4: Simplify right side
    93,347.51x = 6,834,339,186.17
  5. Step 5: Solve for x
    x = 6,834,339,186.17/93,347.51
  6. Step 6: Final answer
    x = 73,213.95

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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.