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Finding the Fourth Proportional to 153,477.51, 211,808.70 and 93,053.94

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Solution

The fourth proportional to 153,477.51, 211,808.70 and 93,053.94 is: 128,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,477.51 : 211,808.70 = 93,053.94 : x
  2. Step 2: Convert to fraction form
    153,477.51/211,808.70 = 93,053.94/x
  3. Step 3: Cross multiply
    153,477.51x = 211,808.70 × 93,053.94
  4. Step 4: Simplify right side
    153,477.51x = 19,709,634,061.28
  5. Step 5: Solve for x
    x = 19,709,634,061.28/153,477.51
  6. Step 6: Final answer
    x = 128,420.34

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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.