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Finding the Fourth Proportional to 201,657,953.30, 302,486,929.95 and 65,357,114.90

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Solution

The fourth proportional to 201,657,953.30, 302,486,929.95 and 65,357,114.90 is: 98,035,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,657,953.30 : 302,486,929.95 = 65,357,114.90 : x
  2. Step 2: Convert to fraction form
    201,657,953.30/302,486,929.95 = 65,357,114.90/x
  3. Step 3: Cross multiply
    201,657,953.30x = 302,486,929.95 × 65,357,114.90
  4. Step 4: Simplify right side
    201,657,953.30x = 19,769,673,036,490,400
  5. Step 5: Solve for x
    x = 19,769,673,036,490,400/201,657,953.30
  6. Step 6: Final answer
    x = 98,035,672.35

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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.