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Finding the Fourth Proportional to 223,025.51, 307,775.54 and 121,051.01

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Solution

The fourth proportional to 223,025.51, 307,775.54 and 121,051.01 is: 167,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,025.51 : 307,775.54 = 121,051.01 : x
  2. Step 2: Convert to fraction form
    223,025.51/307,775.54 = 121,051.01/x
  3. Step 3: Cross multiply
    223,025.51x = 307,775.54 × 121,051.01
  4. Step 4: Simplify right side
    223,025.51x = 37,256,537,826.16
  5. Step 5: Solve for x
    x = 37,256,537,826.16/223,025.51
  6. Step 6: Final answer
    x = 167,050.57

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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.